﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>BlogJava-302班-文章分类-.NET技术</title><link>http://www.blogjava.net/yank/category/21223.html</link><description>java突击队</description><language>zh-cn</language><lastBuildDate>Tue, 10 Jul 2007 18:31:47 GMT</lastBuildDate><pubDate>Tue, 10 Jul 2007 18:31:47 GMT</pubDate><ttl>60</ttl><item><title>ASP.NET生成高质量缩略图通用函数(c#代码) </title><link>http://www.blogjava.net/yank/articles/129480.html</link><dc:creator>停留的风</dc:creator><author>停留的风</author><pubDate>Tue, 10 Jul 2007 16:58:00 GMT</pubDate><guid>http://www.blogjava.net/yank/articles/129480.html</guid><wfw:comment>http://www.blogjava.net/yank/comments/129480.html</wfw:comment><comments>http://www.blogjava.net/yank/articles/129480.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/yank/comments/commentRss/129480.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/yank/services/trackbacks/129480.html</trackback:ping><description><![CDATA[<span style="COLOR: #000000">在网站开发时,生成缩略图是一个非常常见和实用的功能.以前在asp里只能借助com组件实现,现在在.net里可以利用框架的强大的类库轻松实现.下面帖出完整的代码(带详细注释),参考了网上的一些文章及.net&nbsp;sdk相关内容.QQROOM网络家园的图片上传用到了所有的4种生成方式.<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/None.gif" align=top><br><img id=Codehighlighter1_149_471_Open_Image onclick="this.style.display='none'; Codehighlighter1_149_471_Open_Text.style.display='none'; Codehighlighter1_149_471_Closed_Image.style.display='inline'; Codehighlighter1_149_471_Closed_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif" align=top><img id=Codehighlighter1_149_471_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; Codehighlighter1_149_471_Closed_Text.style.display='none'; Codehighlighter1_149_471_Open_Image.style.display='inline'; Codehighlighter1_149_471_Open_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span id=Codehighlighter1_149_471_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff">/**/</span><span id=Codehighlighter1_149_471_Open_Text><span style="COLOR: #808080">///</span><span style="COLOR: #008000">&nbsp;</span><span style="COLOR: #808080">&lt;summary&gt;</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #808080">///</span><span style="COLOR: #008000">&nbsp;生成缩略图<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #808080">///</span><span style="COLOR: #008000">&nbsp;</span><span style="COLOR: #808080">&lt;/summary&gt;</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #808080">///</span><span style="COLOR: #008000">&nbsp;</span><span style="COLOR: #808080">&lt;param&nbsp;name="originalImagePath"&gt;</span><span style="COLOR: #008000">源图路径（物理路径）</span><span style="COLOR: #808080">&lt;/param&gt;</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #808080">///</span><span style="COLOR: #008000">&nbsp;</span><span style="COLOR: #808080">&lt;param&nbsp;name="thumbnailPath"&gt;</span><span style="COLOR: #008000">缩略图路径（物理路径）</span><span style="COLOR: #808080">&lt;/param&gt;</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #808080">///</span><span style="COLOR: #008000">&nbsp;</span><span style="COLOR: #808080">&lt;param&nbsp;name="width"&gt;</span><span style="COLOR: #008000">缩略图宽度</span><span style="COLOR: #808080">&lt;/param&gt;</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #808080">///</span><span style="COLOR: #008000">&nbsp;</span><span style="COLOR: #808080">&lt;param&nbsp;name="height"&gt;</span><span style="COLOR: #008000">缩略图高度</span><span style="COLOR: #808080">&lt;/param&gt;</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #808080">///</span><span style="COLOR: #008000">&nbsp;</span><span style="COLOR: #808080">&lt;param&nbsp;name="mode"&gt;</span><span style="COLOR: #008000">生成缩略图的方式</span><span style="COLOR: #808080">&lt;/param&gt;</span><span style="COLOR: #008000">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #808080"></span></span><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/None.gif" align=top><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">public</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #0000ff">static</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #0000ff">void</span><span style="COLOR: #000000">&nbsp;MakeThumbnail(</span><span style="COLOR: #0000ff">string</span><span style="COLOR: #000000">&nbsp;originalImagePath,&nbsp;</span><span style="COLOR: #0000ff">string</span><span style="COLOR: #000000">&nbsp;thumbnailPath,&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;width,&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;height,&nbsp;</span><span style="COLOR: #0000ff">string</span><span style="COLOR: #000000">&nbsp;mode)<br><img id=Codehighlighter1_605_3333_Open_Image onclick="this.style.display='none'; Codehighlighter1_605_3333_Open_Text.style.display='none'; Codehighlighter1_605_3333_Closed_Image.style.display='inline'; Codehighlighter1_605_3333_Closed_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif" align=top><img id=Codehighlighter1_605_3333_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; Codehighlighter1_605_3333_Closed_Text.style.display='none'; Codehighlighter1_605_3333_Open_Image.style.display='inline'; Codehighlighter1_605_3333_Open_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span id=Codehighlighter1_605_3333_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><img src="http://www.cnblogs.com/Images/dot.gif"></span><span id=Codehighlighter1_605_3333_Open_Text><span style="COLOR: #000000">{<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Image&nbsp;originalImage&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;Image.FromFile(originalImagePath);<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;towidth&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;width;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;toheight&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;height;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;x&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #000000">0</span><span style="COLOR: #000000">;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;y&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #000000">0</span><span style="COLOR: #000000">;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;ow&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;originalImage.Width;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">int</span><span style="COLOR: #000000">&nbsp;oh&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;originalImage.Height;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">switch</span><span style="COLOR: #000000">&nbsp;(mode)<br><img id=Codehighlighter1_944_2185_Open_Image onclick="this.style.display='none'; Codehighlighter1_944_2185_Open_Text.style.display='none'; Codehighlighter1_944_2185_Closed_Image.style.display='inline'; Codehighlighter1_944_2185_Closed_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><img id=Codehighlighter1_944_2185_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; Codehighlighter1_944_2185_Closed_Text.style.display='none'; Codehighlighter1_944_2185_Open_Image.style.display='inline'; Codehighlighter1_944_2185_Open_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span id=Codehighlighter1_944_2185_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><img src="http://www.cnblogs.com/Images/dot.gif"></span><span id=Codehighlighter1_944_2185_Open_Text><span style="COLOR: #000000">{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">case</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">HW</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">:</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">指定高宽缩放（可能变形）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">case</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">W</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">:</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">指定宽，高按比例&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;toheight&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;originalImage.Height&nbsp;</span><span style="COLOR: #000000">*</span><span style="COLOR: #000000">&nbsp;width</span><span style="COLOR: #000000">/</span><span style="COLOR: #000000">originalImage.Width;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">case</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">H</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">:</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">指定高，宽按比例</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;towidth&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;originalImage.Width&nbsp;</span><span style="COLOR: #000000">*</span><span style="COLOR: #000000">&nbsp;height</span><span style="COLOR: #000000">/</span><span style="COLOR: #000000">originalImage.Height;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">case</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">Cut</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">:</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">指定高宽裁减（不变形）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">if</span><span style="COLOR: #000000">((</span><span style="COLOR: #0000ff">double</span><span style="COLOR: #000000">)originalImage.Width</span><span style="COLOR: #000000">/</span><span style="COLOR: #000000">(</span><span style="COLOR: #0000ff">double</span><span style="COLOR: #000000">)originalImage.Height&nbsp;</span><span style="COLOR: #000000">&gt;</span><span style="COLOR: #000000">&nbsp;(</span><span style="COLOR: #0000ff">double</span><span style="COLOR: #000000">)towidth</span><span style="COLOR: #000000">/</span><span style="COLOR: #000000">(</span><span style="COLOR: #0000ff">double</span><span style="COLOR: #000000">)toheight)<br><img id=Codehighlighter1_1567_1797_Open_Image onclick="this.style.display='none'; Codehighlighter1_1567_1797_Open_Text.style.display='none'; Codehighlighter1_1567_1797_Closed_Image.style.display='inline'; Codehighlighter1_1567_1797_Closed_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><img id=Codehighlighter1_1567_1797_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; Codehighlighter1_1567_1797_Closed_Text.style.display='none'; Codehighlighter1_1567_1797_Open_Image.style.display='inline'; Codehighlighter1_1567_1797_Open_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span id=Codehighlighter1_1567_1797_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><img src="http://www.cnblogs.com/Images/dot.gif"></span><span id=Codehighlighter1_1567_1797_Open_Text><span style="COLOR: #000000">{<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;oh&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;originalImage.Height;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ow&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;originalImage.Height</span><span style="COLOR: #000000">*</span><span style="COLOR: #000000">towidth</span><span style="COLOR: #000000">/</span><span style="COLOR: #000000">toheight;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;y&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #000000">0</span><span style="COLOR: #000000">;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;(originalImage.Width&nbsp;</span><span style="COLOR: #000000">-</span><span style="COLOR: #000000">&nbsp;ow)</span><span style="COLOR: #000000">/</span><span style="COLOR: #000000">2</span><span style="COLOR: #000000">;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">else</span><span style="COLOR: #000000"><br><img id=Codehighlighter1_1844_2071_Open_Image onclick="this.style.display='none'; Codehighlighter1_1844_2071_Open_Text.style.display='none'; Codehighlighter1_1844_2071_Closed_Image.style.display='inline'; Codehighlighter1_1844_2071_Closed_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><img id=Codehighlighter1_1844_2071_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; Codehighlighter1_1844_2071_Closed_Text.style.display='none'; Codehighlighter1_1844_2071_Open_Image.style.display='inline'; Codehighlighter1_1844_2071_Open_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span id=Codehighlighter1_1844_2071_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><img src="http://www.cnblogs.com/Images/dot.gif"></span><span id=Codehighlighter1_1844_2071_Open_Text><span style="COLOR: #000000">{<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ow&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;originalImage.Width;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;oh&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;originalImage.Width</span><span style="COLOR: #000000">*</span><span style="COLOR: #000000">height</span><span style="COLOR: #000000">/</span><span style="COLOR: #000000">towidth;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;x&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #000000">0</span><span style="COLOR: #000000">;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;y&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;(originalImage.Height&nbsp;</span><span style="COLOR: #000000">-</span><span style="COLOR: #000000">&nbsp;oh)</span><span style="COLOR: #000000">/</span><span style="COLOR: #000000">2</span><span style="COLOR: #000000">;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">default</span><span style="COLOR: #000000">&nbsp;:<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">break</span><span style="COLOR: #000000">;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">新建一个bmp图片</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Image&nbsp;bitmap&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;</span><span style="COLOR: #0000ff">new</span><span style="COLOR: #000000">&nbsp;System.Drawing.Bitmap(towidth,toheight);<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">新建一个画板</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Graphics&nbsp;g&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;System.Drawing.Graphics.FromImage(bitmap);<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">设置高质量插值法</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;g.InterpolationMode&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;System.Drawing.Drawing2D.InterpolationMode.High;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">设置高质量,低速度呈现平滑程度</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;g.SmoothingMode&nbsp;</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">&nbsp;System.Drawing.Drawing2D.SmoothingMode.HighQuality;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">清空画布并以透明背景色填充</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;g.Clear(Color.Transparent);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">在指定位置并且按指定大小绘制原图片的指定部分</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;g.DrawImage(originalImage,&nbsp;</span><span style="COLOR: #0000ff">new</span><span style="COLOR: #000000">&nbsp;Rectangle(</span><span style="COLOR: #000000">0</span><span style="COLOR: #000000">,&nbsp;</span><span style="COLOR: #000000">0</span><span style="COLOR: #000000">,&nbsp;towidth,&nbsp;toheight),&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">new</span><span style="COLOR: #000000">&nbsp;Rectangle(x,&nbsp;y,&nbsp;ow,oh),<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;GraphicsUnit.Pixel);<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">try</span><span style="COLOR: #000000"><br><img id=Codehighlighter1_2915_3056_Open_Image onclick="this.style.display='none'; Codehighlighter1_2915_3056_Open_Text.style.display='none'; Codehighlighter1_2915_3056_Closed_Image.style.display='inline'; Codehighlighter1_2915_3056_Closed_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><img id=Codehighlighter1_2915_3056_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; Codehighlighter1_2915_3056_Closed_Text.style.display='none'; Codehighlighter1_2915_3056_Open_Image.style.display='inline'; Codehighlighter1_2915_3056_Open_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span id=Codehighlighter1_2915_3056_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><img src="http://www.cnblogs.com/Images/dot.gif"></span><span id=Codehighlighter1_2915_3056_Open_Text><span style="COLOR: #000000">{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">以jpg格式保存缩略图</span><span style="COLOR: #008000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top></span><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bitmap.Save(thumbnailPath,&nbsp;System.Drawing.Imaging.ImageFormat.Jpeg);<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">catch</span><span style="COLOR: #000000">(System.Exception&nbsp;e)<br><img id=Codehighlighter1_3108_3147_Open_Image onclick="this.style.display='none'; Codehighlighter1_3108_3147_Open_Text.style.display='none'; Codehighlighter1_3108_3147_Closed_Image.style.display='inline'; Codehighlighter1_3108_3147_Closed_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><img id=Codehighlighter1_3108_3147_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; Codehighlighter1_3108_3147_Closed_Text.style.display='none'; Codehighlighter1_3108_3147_Open_Image.style.display='inline'; Codehighlighter1_3108_3147_Open_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span id=Codehighlighter1_3108_3147_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><img src="http://www.cnblogs.com/Images/dot.gif"></span><span id=Codehighlighter1_3108_3147_Open_Text><span style="COLOR: #000000">{<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">throw</span><span style="COLOR: #000000">&nbsp;e;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #0000ff">finally</span><span style="COLOR: #000000"><br><img id=Codehighlighter1_3181_3323_Open_Image onclick="this.style.display='none'; Codehighlighter1_3181_3323_Open_Text.style.display='none'; Codehighlighter1_3181_3323_Closed_Image.style.display='inline'; Codehighlighter1_3181_3323_Closed_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><img id=Codehighlighter1_3181_3323_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; Codehighlighter1_3181_3323_Closed_Text.style.display='none'; Codehighlighter1_3181_3323_Open_Image.style.display='inline'; Codehighlighter1_3181_3323_Open_Text.style.display='inline';" src="http://www.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span id=Codehighlighter1_3181_3323_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><img src="http://www.cnblogs.com/Images/dot.gif"></span><span id=Codehighlighter1_3181_3323_Open_Text><span style="COLOR: #000000">{<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;originalImage.Dispose();<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bitmap.Dispose();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;g.Dispose();<br><img src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif" align=top>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</span></span><span style="COLOR: #000000"><br><img src="http://www.cnblogs.com/Images/OutliningIndicators/None.gif" align=top></span>
<img src ="http://www.blogjava.net/yank/aggbug/129480.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/yank/" target="_blank">停留的风</a> 2007-07-11 00:58 <a href="http://www.blogjava.net/yank/articles/129480.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>汇总c#.net常用函数和方法集</title><link>http://www.blogjava.net/yank/articles/126236.html</link><dc:creator>停留的风</dc:creator><author>停留的风</author><pubDate>Mon, 25 Jun 2007 16:43:00 GMT</pubDate><guid>http://www.blogjava.net/yank/articles/126236.html</guid><wfw:comment>http://www.blogjava.net/yank/comments/126236.html</wfw:comment><comments>http://www.blogjava.net/yank/articles/126236.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/yank/comments/commentRss/126236.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/yank/services/trackbacks/126236.html</trackback:ping><description><![CDATA[<span><strong>1、DateTime 数字型 </strong></span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">System.DateTime currentTime=new System.DateTime(); <br>1.1 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前年月日时分秒</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>currentTime=System.DateTime.Now; <br>1.2 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前年</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>int </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">年</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">=currentTime.Year; <br>1.3 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前月</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>int </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">月</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">=currentTime.Month; <br>1.4 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前日</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>int </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">日</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">=currentTime.Day; <br>1.5 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前时</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>int </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">时</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">=currentTime.Hour; <br>1.6 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前分</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>int </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">分</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">=currentTime.Minute; <br>1.7 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前秒</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>int </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">秒</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">=currentTime.Second; <br>1.8 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前毫秒</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>int </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">毫秒</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">=currentTime.Millisecond; </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（变量可用中文）</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br>1.9 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取中文日期显示</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">——</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">年月日时分</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>string strY=currentTime.ToString("f"); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">不显示秒</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br>1.10 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取中文日期显示</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">_</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">年月</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>string strYM=currentTime.ToString("y"); <br><br>1.11 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取中文日期显示</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">_</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">月日</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>string strMD=currentTime.ToString("m"); <br><br>1.12 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取中文年月日</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>string strYMD=currentTime.ToString("D"); <br><br>1.13 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前时分，格式为：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">14</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">24 <br>string strT=currentTime.ToString("t"); <br><br>1.14 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前时间，格式为：</span><chsdate isrocdate="False" islunardate="False" day="23" month="9" year="2003" /><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">2003-09-23</span></chsdate /><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">T14:46:48 <br>string strT=currentTime.ToString("s"); <br><br>1.15 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前时间，格式为：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">2003-09-23 14:48:30Z <br>string strT=currentTime.ToString("u"); <br><br>1.16 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前时间，格式为：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">2003-09-23 14:48 <br>string strT=currentTime.ToString("g"); <br><br>1.17 </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取当前时间，格式为：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">Tue, 23 Sep 2003 14:52:40 GMT <br>string strT=currentTime.ToString("r"); <br><br>1.18</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">获得当前时间</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> n </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">天后的日期时间</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>DateTime newDay = DateTime.Now.AddDays(100); <br><br><strong><span style="FONT-FAMILY: Tahoma">2</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">Int32.Parse(</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">变量</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">) Int32.Parse("</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">常量</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">") </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">字符型转换</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">转为</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">32</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">位数字型</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br><strong><span style="FONT-FAMILY: Tahoma">3</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">变量</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">.ToString() </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">字符型转换</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">转为字符串</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>12345.ToString("n"); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">生成</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> 12,345.00 <br>12345.ToString("C"); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">生成</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">￥</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">12,345.00 <br>12345.ToString("e"); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">生成</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> 1.234500e+004 <br>12345.ToString("f4"); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">生成</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> 12345.0000 <br>12345.ToString("x"); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">生成</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> 3039 (16</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">进制</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">) <br>12345.ToString("p"); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">生成</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> 1,234,500.00% <br><br><br><strong><span style="FONT-FAMILY: Tahoma">4</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、变量</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">.Length </span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">数字型</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取字串长度：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> string str="</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">中国</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"; <br>int Len = str.Length ; //Len</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">是自定义变量，</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> str</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">是求测的字串的变量名</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br><strong><span style="FONT-FAMILY: Tahoma">5</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">System.Text.Encoding.Default.GetBytes(</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">变量</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">) </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">字码转换</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">转为比特码</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">byte[] bytStr = System.Text.Encoding.Default.GetBytes(str); </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">然后可得到比特长度：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>len = bytStr.Length; <br><br><strong><span style="FONT-FAMILY: Tahoma">6</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">System.Text.StringBuilder("") </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">字符串相加，（</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">+</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">号是不是也一样？）</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">System.Text.StringBuilder sb = new System.Text.StringBuilder(""); <br>sb.Append("</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">中华</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"); <br>sb.Append("</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">人民</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"); <br>sb.Append("</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">共和国</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"); <br><br><strong><span style="FONT-FAMILY: Tahoma">7</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、变量</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">.Substring(</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">参数</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">1,</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">参数</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">2); </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">截取字串的一部分，参数</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">1</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">为左起始位数，参数</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">2</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">为截取几位。</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">string s1 = str.Substring(0,2); <br><br><strong><span style="FONT-FAMILY: Tahoma">8</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">String user_IP=Request.ServerVariables["REMOTE_ADDR"].ToString(); </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取<strong><span style="FONT-FAMILY: 宋体">远程用户</span></strong></span><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">IP</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"><br><br><strong><span style="FONT-FAMILY: Tahoma">9</span></strong></span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、穿过代理服务器取远程用户真实</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">IP</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址：</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">if(Request.ServerVariables["HTTP_VIA"]!=null){ <br>string user_IP=Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString(); <br>}else{ <br>string user_IP=Request.ServerVariables["REMOTE_ADDR"].ToString(); <br>} <br><br><strong><span style="FONT-FAMILY: Tahoma">10</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> Session["</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">变量</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"]; </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">存取</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">Session</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">值；</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如，赋值：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> Session["username"]="</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">小布什</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"; </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">取值：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> Object objName=Session["username"]; <br>String strName=objName.ToString(); </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">清空：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> Session.RemoveAll(); <br><br><strong><span style="FONT-FAMILY: Tahoma">11</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">String str=Request.QueryString["</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">变量</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"]; </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">用超链接传送变量。</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如在任一页中建超链接</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">:&lt;a href="/Edit.aspx?fbid=23&gt;";</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">点击</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">&lt;/a&gt; </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">在</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">Edit.aspx</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">页中取值：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">String str=Request.QueryString["fdid"]; <br><br><strong><span style="FONT-FAMILY: Tahoma">12</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">DOC</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">对象</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">.CreateElement("</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">新建节点名</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"); </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">创建</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">XML</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">文档新节点</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br><strong><span style="FONT-FAMILY: Tahoma">13</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、父节点</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">.AppendChild(</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">子节点</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">)</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">；</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">将新建的子节点加到</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">XML</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">文档父节点下</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br><strong><span style="FONT-FAMILY: Tahoma">14</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">父节点</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">.RemoveChild(</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">节点</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">); </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">删除节点</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br><strong><span style="FONT-FAMILY: Tahoma">15</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">Response </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">Response.Write("</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">字串</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">")</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">；</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>Response.Write(</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">变量</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">)</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">；</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">向页面输出。</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br>Response.Redirect("URL</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">地址</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">）；</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">跳转到</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">URL</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">指定的页面</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br><strong><span style="FONT-FAMILY: Tahoma">16</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">char.IsWhiteSpce(</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">字串变量，位数</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">)——</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">逻辑型</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">查指定位置是否空字符；</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>string str="</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">中国</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">人民</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"; <br>Response.Write(char.IsWhiteSpace(str,2)); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">结果为：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">True, </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">第一个字符是</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">0</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">位，</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">2</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">是第三个字符。</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br><strong><span style="FONT-FAMILY: Tahoma">17</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">char.IsPunctuation('</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">字符</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">') --</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">逻辑型</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">查字符是否是标点符号</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">Response.Write(char.IsPunctuation('A')); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">返回：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">False <br><br><strong><span style="FONT-FAMILY: Tahoma">18</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">(int)'</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">字符</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">' </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">把字符转为数字，查代码点，注意是单引号。</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>Response.Write((int)'</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">中</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">'); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">结果为中字的代码：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">20013 <br><br><strong><span style="FONT-FAMILY: Tahoma">19</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">(char)</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">代码</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">把数字转为字符，查代码代表的字符。</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>Response.Write((char)22269); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">返回</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">&#8220;</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">国</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">&#8221;</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">字。</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br><strong><span style="FONT-FAMILY: Tahoma">20</span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> Trim() </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">清除字串前后空格</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br><strong><span style="FONT-FAMILY: Tahoma">21 </span></strong></span><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">、字串变量</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">.Replace("</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">子字串</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">","</span></strong><strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">替换为</span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">") </span></strong><strong><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"></span></strong><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">字串替换</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">如：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>string str="</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">中国</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"; <br>str=str.Replace("</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">国</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">","</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">央</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">将国字换为央字</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>Response.Write(str); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">输出结果为</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">&#8220;</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">中央</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">&#8221; </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">再如：（这个非常实用）</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br><br>string str="</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">这是</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">&lt;script&gt;</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">脚本</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">"; <br>str=str.Replace("&lt;","&lt;font&gt;&lt;&lt;/font&gt;"); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">将左尖括号替换为</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">&lt;font&gt; </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">与</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> &lt; </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">与</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> &lt;/font&gt; </span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">（或换为</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">&lt;</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">，但估计经</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">XML</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">存诸后，再提出仍会还原）</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma"> <br>Response.Write(str); //</span><span lang=ZH-CN style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体">显示为：</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">&#8220;</span><span lang=ZH-CN style="FONT-SIZE: 9pt" href="images/edit.css" type="text/css">
<script src="images/DhtmlEdit.js"></script>
</span>
<img src ="http://www.blogjava.net/yank/aggbug/126236.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/yank/" target="_blank">停留的风</a> 2007-06-26 00:43 <a href="http://www.blogjava.net/yank/articles/126236.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>GridView的自定义分页，单选、多选、排序、自增列的简单应用 </title><link>http://www.blogjava.net/yank/articles/112821.html</link><dc:creator>停留的风</dc:creator><author>停留的风</author><pubDate>Sun, 22 Apr 2007 14:16:00 GMT</pubDate><guid>http://www.blogjava.net/yank/articles/112821.html</guid><wfw:comment>http://www.blogjava.net/yank/comments/112821.html</wfw:comment><comments>http://www.blogjava.net/yank/articles/112821.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/yank/comments/commentRss/112821.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/yank/services/trackbacks/112821.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 关于VS2005中GridView的自定义分页，单选、多选、排序、自增列的简单应用。&nbsp;&nbsp;&nbsp; 多选时，只有全部选中时&#8220;多选&#8221;才选中。&nbsp;&nbsp;&nbsp;&nbsp;图片效果：&nbsp;&nbsp;&nbsp;&nbsp; 简单示例，代码如下，&nbsp;&nbsp;&nbsp; fenpage.aspx的代码：&lt;%@&...&nbsp;&nbsp;<a href='http://www.blogjava.net/yank/articles/112821.html'>阅读全文</a><img src ="http://www.blogjava.net/yank/aggbug/112821.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/yank/" target="_blank">停留的风</a> 2007-04-22 22:16 <a href="http://www.blogjava.net/yank/articles/112821.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>ASP.NET 2.0中合并 GridView 的表头单元格 </title><link>http://www.blogjava.net/yank/articles/111874.html</link><dc:creator>停留的风</dc:creator><author>停留的风</author><pubDate>Thu, 19 Apr 2007 03:37:00 GMT</pubDate><guid>http://www.blogjava.net/yank/articles/111874.html</guid><wfw:comment>http://www.blogjava.net/yank/comments/111874.html</wfw:comment><comments>http://www.blogjava.net/yank/articles/111874.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/yank/comments/commentRss/111874.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/yank/services/trackbacks/111874.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在实际工作中，往往需要合并表格头部的单元格，下面就是一个实现的例子。运行结果如图：C#&lt;%...@&nbsp;Page&nbsp;Language="C#"&nbsp;AutoEventWireup="true"&nbsp;%&gt;&lt;!DOCTYPE&nbsp;html&nbsp;PUBLIC&nbsp;"-//W3C//DTD&nbsp;XHTML&nbsp;1...&nbsp;&nbsp;<a href='http://www.blogjava.net/yank/articles/111874.html'>阅读全文</a><img src ="http://www.blogjava.net/yank/aggbug/111874.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/yank/" target="_blank">停留的风</a> 2007-04-19 11:37 <a href="http://www.blogjava.net/yank/articles/111874.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>GridView的Command命令集合</title><link>http://www.blogjava.net/yank/articles/111872.html</link><dc:creator>停留的风</dc:creator><author>停留的风</author><pubDate>Thu, 19 Apr 2007 03:30:00 GMT</pubDate><guid>http://www.blogjava.net/yank/articles/111872.html</guid><wfw:comment>http://www.blogjava.net/yank/comments/111872.html</wfw:comment><comments>http://www.blogjava.net/yank/articles/111872.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/yank/comments/commentRss/111872.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/yank/services/trackbacks/111872.html</trackback:ping><description><![CDATA[Asp.net 2.0中新增的gridview控件，是十分强大的数据展示控件，在前面的系列文章里，分别展示了其中很多的基本用法和技巧（详见＜＜ASP.NET 2.0中Gridview控件高级技巧＞＞、＜＜ASP.NET2.0利用Gridview实现主从关系＞＞)。在本文中，将继续探讨有关的技巧。 <br><br>　　<strong>一、Gridview中的内容导出到Excel</strong><br><br>　　在日常工作中，经常要将gridview中的内容导出到excel报表中去，在asp.net 2.0中，同样可以很方便地实现将整个gridview中的内容导出到excel报表中去，下面介绍其具体做法： <br><br>　　首先，建立基本的页面default.aspx<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>＜form id="form1" runat="server"＞<br>＜div＞<br>＜asp:GridView ID="GridView1" runat="server"＞<br>＜/asp:GridView＞<br>＜/div＞<br>＜br/＞<br>＜asp:Button ID="BtnExport" runat="server" OnClick="BtnExport_Click"<br>Text="Export to Excel" /＞<br>＜/form＞</td>
        </tr>
    </tbody>
</table>
<br>　　在default.aspx.cs中，写入如下代码：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>protected void Page_Load(object sender, EventArgs e)<br>{<br>　if (!Page.IsPostBack)<br>　{<br>　　BindData();<br>　}<br>}<br>private void BindData()<br>{<br>　string query = "SELECT * FROM customers";<br>　SqlConnection myConnection = new SqlConnection(ConnectionString);<br>　SqlDataAdapter ad = new SqlDataAdapter(query, myConnection);<br>　DataSet ds = new DataSet();<br>　ad.Fill(ds, "customers");<br>　GridView1.DataSource = ds;<br>　GridView1.DataBind();<br>}<br><br>public override void VerifyRenderingInServerForm(Control control)<br>{<br>　// Confirms that an HtmlForm control is rendered for<br>}<br><br>protected void Button1_Click(object sender, EventArgs e)<br>{<br>　Response.Clear();<br>　Response.AddHeader("content-disposition","attachment;filename=FileName.xls");<br>　Response.Charset = "gb2312";<br>　Response.ContentType = "application/vnd.xls";<br>　System.IO.StringWriter stringWrite = new System.IO.StringWriter();<br>　System.Web.UI.HtmlTextWriter htmlWrite =new HtmlTextWriter(stringWrite);<br><br>　GridView1.AllowPaging = false;<br>　BindData();<br>　GridView1.RenderControl(htmlWrite);<br><br>　Response.Write(stringWrite.ToString());<br>　Response.End();<br>　GridView1.AllowPaging = true;<br>　BindData();<br>}<br>protected void paging(object sender,GridViewPageEventArgs e)<br>{<br>　GridView1.PageIndex = e.NewPageIndex;<br>　BindData();<br>}</td>
        </tr>
    </tbody>
</table>
<br>　　在上面的代码中，我们首先将gridview绑定到指定的数据源中，然后在button1的按钮（用来做导出到EXCEL的）的事件中，写入相关的代码。这里使用Response.AddHeader("content-disposition","attachment;filename=exporttoexcel.xls");中的filename来指定将要导出的excel的文件名，这里是exporttoexcel.xls。要注意的是，由于gridview的内容可能是分页显示的，因此，这里在每次导出excel时，先将gridview的allowpaging属性设置为false,然后通过页面流的方式导出当前页的gridview到excel中，最后再重新设置其allowpaging属性。另外要注意的是，要写一个空的VerifyRenderingInServerForm方法（必须写），以确认在运行时为指定的ASP.NET 服务器控件呈现HtmlForm 控件。<br><br>　　<strong>二、访问gridview中的各类控件</strong><br><br>　　在gridview中，经常要访问其中的各类控件，比如dropdownlist,radiobutton,checkbox等，下面归纳下在gridview中访问各类控件的方法。<br><br>　　首先看下如何在gridview中访问dropdownlist控件。假设在一个gridviw中，展现的每条记录中都需要供用户用下拉选择的方式选择dropdownlist控件中的内容，则可以使用如下代码，当用户选择好gridview中的dropdownlist控件的选项后，点击按钮，则系统打印出用户到底选择了哪些dropdownlist控件，并输出它们的值。<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>public DataSet PopulateDropDownList()<br>{<br>　SqlConnection myConnection =new SqlConnection(ConfigurationManager.ConnectionStrings["MyDatabase"].ConnectionString);<br>　SqlDataAdapter ad = new SqlDataAdapter("SELECT * FROM tblPhone", myConnection);<br>　DataSet ds = new DataSet();<br>　ad.Fill(ds, "tblPhone");<br>　return ds; <br>}</td>
        </tr>
    </tbody>
</table>
<br>　　上面的代码首先将数据库中tblphone表的数据以dataset的形式返回。然后在页面的itemtemplate中，如下设计：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>＜ItemTemplate＞<br>＜asp:DropDownList ID="DropDownList1" runat="server" DataSource="＜%# PopulateDropDownList() %＞" <br>DataTextField="Phone" DataValueField = "PhoneID"＞<br>＜/asp:DropDownList＞<br>＜/ItemTemplate＞</td>
        </tr>
    </tbody>
</table>
<br>　　这里注意dropdownlist控件的datasource属性绑定了刚才返回的dataset（调用了populatedropdownlist()方法）,并要注意设置好datatextfield和datavaluefield属性。<br><br>　　然后，在button的事件中，写入以下代码：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>protected void Button2_Click(object sender, EventArgs e) <br>{<br>　StringBuilder str = new StringBuilder(); <br>　foreach (GridViewRow gvr in GridView1.Rows)<br>　{<br>　　string selectedText = ((DropDownList)gvr.FindControl("DropDownList1")).SelectedItem.Text;<br>　　str.Append(selectedText); <br>　}<br>　Response.Write(str.ToString()); <br>}</td>
        </tr>
    </tbody>
</table>
<br>　　这里，我们用循环，来获得每一行的dropdownlist控件的值，并且将值添加到字符串中最后输出。<br><br>　　接着，我们来看下如何访问gridview控件中的checkbox控件。经常在gridview控件中，需要给用户多项选择的功能，这个时候就需要使用checkbox控件。首先我们建立一个模版列，其中有checkbox如下：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>＜asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True"<br>AutoGenerateColumns="False" DataKeyNames="PersonID" DataSourceID="mySource" Width="366px" CellPadding="4" ForeColor="#333333" GridLines="None"＞<br>＜Columns＞<br>＜asp:CommandField ShowSelectButton="True" /＞<br>＜asp:BoundField DataField="PersonID" HeaderText="PersonID" InsertVisible="False"<br>ReadOnly="True" SortExpression="PersonID" /＞<br>＜asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name" /＞<br>＜asp:TemplateField HeaderText="Select"＞<br>＜ItemTemplate＞<br>＜asp:CheckBox ID="chkSelect" runat="server" /＞<br>＜/ItemTemplate＞<br>＜HeaderTemplate＞<br>＜/HeaderTemplate＞<br>＜/asp:TemplateField＞<br>＜/Columns＞<br>＜/asp:GridView＞</td>
        </tr>
    </tbody>
</table>
<br>　　为了示意性地讲解如何得到用户选择的checkbox，可以增加一个按钮，当用户选择gridview中的选项后，点该按钮，则可以输出用户选了哪些选项，在按钮的CLICK事件中写入如下代码：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>for (int i = 0; i ＜ GridView1.Rows.Count; i++)<br>{<br>　GridViewRow row = GridView1.Rows[i];<br>　bool isChecked = ((CheckBox) row.FindControl("chkSelect")).Checked;<br>　if (isChecked)<br>　{<br>　　str.Append(GridView1.Rows[i].Cells[2].Text); <br>　} <br>}<br>Response.Write(str.ToString()); </td>
        </tr>
    </tbody>
</table>
<br>　　接下来，我们添加一个全选的选择框，当用户选择该框时，可以全部选择gridview中的checkbox.首先我们在headtemplate中如下设计：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>＜HeaderTemplate＞<br>＜input id="chkAll" onclick="javascript:SelectAllCheckboxes(this);" runat="server" type="checkbox" /＞<br>＜/HeaderTemplate＞</td>
        </tr>
    </tbody>
</table>
<br>　　javascript部分的代码如下所示：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>＜script language=javascript＞ <br>function SelectAllCheckboxes(spanChk){<br>　var oItem = spanChk.children;<br>　var theBox=(spanChk.type=="checkbox")?spanChk:spanChk.children.item[0];<br>　xState=theBox.checked;<br>　elm=theBox.form.elements;<br>　for(i=0;i＜elm.length;i++)<br>　if(elm[i].type=="checkbox" &amp;&amp; elm[i].id!=theBox.id)<br>　{<br>　　if(elm[i].checked!=xState)<br>　　elm[i].click();<br>　}<br>}<br>＜/script＞</td>
        </tr>
    </tbody>
</table>
<p>&nbsp;<strong>三、gridview中删除记录的处理<br><br></strong>　　在gridview中，我们都希望能在删除记录时，能弹出提示框予以提示，在asp.net 1.1中，都可以很容易实现，那么在asp.net 2.0中要如何实现呢？下面举例子说明，首先在HTML页面中设计好如下代码：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>＜asp:GridView DataKeyNames="CategoryID" ID="GridView1" runat="server" AutoGenerateColumns="False" OnRowCommand="GridView1_RowCommand" OnRowDataBound="GridView1_RowDataBound" OnRowDeleted="GridView1_RowDeleted" OnRowDeleting="GridView1_RowDeleting"＞ <br>＜Columns＞<br>＜asp:BoundField DataField="CategoryID" HeaderText="CategoryID" /＞<br>＜asp:BoundField DataField="CategoryName" HeaderText="CategoryName" /＞<br>＜asp:TemplateField HeaderText="Select"＞<br>＜ItemTemplate＞<br>＜asp:LinkButton ID="LinkButton1" CommandArgument='＜%# Eval("CategoryID") %＞' CommandName="Delete" runat="server"＞Delete＜/asp:LinkButton＞<br>＜/ItemTemplate＞<br>＜/asp:TemplateField＞<br>＜/Columns＞<br>＜/asp:GridView＞</td>
        </tr>
    </tbody>
</table>
<br>　　在上面的代码中，我们设置了一个链接linkbutton，其中指定了commandname为"Delete",commandargument为要删除的记录的ID编号，注意一旦commandname设置为delete这个名称后，gridview中的GridView_RowCommand 和 GridView_Row_Deleting 事件都会被激发接者，我们处理其rowdatabound事件中：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)<br>{<br>　if (e.Row.RowType == DataControlRowType.DataRow)<br>　{<br>　　LinkButton l = (LinkButton)e.Row.FindControl("LinkButton1"); <br>　　l.Attributes.Add('onclick", "javascript:return " + "confirm("是否要删除该记录？ " +<br>　　DataBinder.Eval(e.Row.DataItem, "id") + "')"); <br>　}<br>}</td>
        </tr>
    </tbody>
</table>
<br>　　在这段代码中，首先检查是否是datarow，是的话则得到每个linkbutton,再为其添加客户端代码，基本和asp.net 1.1的做法差不多。<br><br>　　之后，当用户选择了确认删除后，我们有两种方法对其进行继续的后续删除处理，因为我们将删除按钮设置为Delete,方法一是在row_command事件中写入如下代码：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)<br>{<br>　if (e.CommandName == "Delete")<br>　{<br>　　int id = Convert.ToInt32(e.CommandArgument);<br>　　// 删除记录的专门过程<br>　　DeleteRecordByID(id);<br>　}<br>}</td>
        </tr>
    </tbody>
</table>
<br>　　另外一种方法是使用gridview的row_deletting事件，先在页面HTML代码中，添加＜asp:GridView DataKeyNames="CategoryID" ID="GridView1" runat="server" AutoGenerateColumns="False" OnRowCommand="GridView1_RowCommand" OnRowDataBound="GridView1_RowDataBound" onRowDeleting="GridView1_RowDeleting"＞<br>然后添加row_deleting事件：<br><br>
<table borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
    <tbody>
        <tr>
            <td>protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)<br>{<br>　int categoryID = (int) GridView1.DataKeys[e.RowIndex].Value;<br>　DeleteRecordByID(categoryID); <br>}</td>
        </tr>
    </tbody>
</table>
<br>　　要注意的是，这个必须将datakeynames设置为要删除记录的编号，这里是categoryid.<br></p>
<img src ="http://www.blogjava.net/yank/aggbug/111872.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/yank/" target="_blank">停留的风</a> 2007-04-19 11:30 <a href="http://www.blogjava.net/yank/articles/111872.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>DataList分页技巧</title><link>http://www.blogjava.net/yank/articles/109636.html</link><dc:creator>停留的风</dc:creator><author>停留的风</author><pubDate>Tue, 10 Apr 2007 06:48:00 GMT</pubDate><guid>http://www.blogjava.net/yank/articles/109636.html</guid><wfw:comment>http://www.blogjava.net/yank/comments/109636.html</wfw:comment><comments>http://www.blogjava.net/yank/articles/109636.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/yank/comments/commentRss/109636.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/yank/services/trackbacks/109636.html</trackback:ping><description><![CDATA[<p style="COLOR: #ff0000">一般用分页,就会用到DataSet的对象,那么 <br>DataSet ds = new DataSet(); <br>(Sql/OleDb)DataAdapter dtadp = new (Sql/OleDb)DataAdapter(); <br>dtadp.Fill(ds); <br>此时可以使用 <br>int RecordNum = ds.Tables["虚表名"].Rows.Count; </p>
<p style="COLOR: #ff0000">获得总的记录数. <br>这时,用判断得到总的页数.比如,设置每页最大记录数. <br>private const int PageSize = 20; <br>则此时,获得总的页数，int PageNum = 0； <br>if(RecordNum % PageSize == 0) <br>{ <br>PageNum = RecordNum / PageSize; <br>} <br>else <br>{ <br>PageNum = RecordNum / PageSize + 1; <br>} <br>现在，PageNum里的值是总的页数，PageSize的是每页的记录数，再获得个CurrPage（当前页），基本信息就全了<a href="http://downloads.cnblogs.com/thcjp/vs200553.swf"></a></p>
<img src ="http://www.blogjava.net/yank/aggbug/109636.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/yank/" target="_blank">停留的风</a> 2007-04-10 14:48 <a href="http://www.blogjava.net/yank/articles/109636.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>ASP.NET2.0 遍历文件夹下所有图片</title><link>http://www.blogjava.net/yank/articles/109633.html</link><dc:creator>停留的风</dc:creator><author>停留的风</author><pubDate>Tue, 10 Apr 2007 06:42:00 GMT</pubDate><guid>http://www.blogjava.net/yank/articles/109633.html</guid><wfw:comment>http://www.blogjava.net/yank/comments/109633.html</wfw:comment><comments>http://www.blogjava.net/yank/articles/109633.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/yank/comments/commentRss/109633.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/yank/services/trackbacks/109633.html</trackback:ping><description><![CDATA[<img height=659 alt="" src="http://www.blogjava.net/images/blogjava_net/yank/o_s1.gif" width=765 border=0><br>
<p align=left><font size=2><strong>后台代码<br></strong>using System;<br>using System.Data;<br>using System.Configuration;<br>using System.Web;<br>using System.Web.Security;<br>using System.Web.UI;<br>using System.Web.UI.WebControls;<br>using System.Web.UI.WebControls.WebParts;<br>using System.Web.UI.HtmlControls;<br>using System.Runtime.Remoting;<br>using System.Runtime.Remoting.Lifetime;<br>using System.IO;</font></p>
<p align=left><font size=2>public partial class _Default : System.Web.UI.Page <br>{<br>&nbsp;&nbsp;&nbsp; protected void Page_Load(object sender, EventArgs e)<br>&nbsp;&nbsp;&nbsp; {<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DirectoryInfo imagesfile = new DirectoryInfo(Server.MapPath("./images"));<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DataList1.DataSource = imagesfile.GetFiles("*.jpg");<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DataList1.DataBind();<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></p>
<p align=left><font size=2>&nbsp;&nbsp;&nbsp; }<br>&nbsp;&nbsp;&nbsp; <br>}<br></font></p>
<p align=left><font size=2>前台代码：<br>&lt;%@ Page Language="C#" AutoEventWireup="true"&nbsp; CodeFile="Default.aspx.cs" Inherits="_Default" %&gt;</font></p>
<p align=left><font size=2>&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "<a href="http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><u><font color=#6fbc4c>http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd</font></u></a>"&gt;</font></p>
<p align=left><font size=2>&lt;html xmlns="<a href="http://www.w3.org/1999/xhtml"><u><font color=#6fbc4c>http://www.w3.org/1999/xhtml</font></u></a>" &gt;<br>&lt;head runat="server"&gt;<br>&nbsp;&nbsp;&nbsp; &lt;title&gt;遍历文件夹下所有图片 <a href="http://blog.csdn.net/21aspnet"><u><font color=#6fbc4c>http://blog.csdn.net/21aspnet</font></u></a> 清清月儿&lt;/title&gt;<br>&lt;/head&gt;<br>&lt;body&gt;<br>&nbsp;&nbsp;&nbsp; &lt;form id="form1" runat="server"&gt;<br>&nbsp;&nbsp;&nbsp; &lt;div&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &amp;nbsp;&lt;asp:DataList ID="DataList1" runat="server" RepeatColumns="3"&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;ItemTemplate&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;asp:image ID="Image1" runat="server" width="120" ImageUrl='&lt;%#"images/" +Eval("Name")%&gt;'/&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/ItemTemplate&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/asp:DataList&gt;&lt;/div&gt;<br>&nbsp;&nbsp;&nbsp; &lt;/form&gt;<br>&lt;/body&gt;<br>&lt;/html&gt;</font></p>
<p align=left><font color=#ff0000 size=2><strong>说明：如果大家想生成真正的缩略图就要在另个页面生成<br></strong><font color=#000000>ImageUrl='&lt;%#"AAA.aspx 取得生成的结果即可。可参考以下代码：<br></font></font></p>
<p align=left><font size=2></font></p>
<p>&nbsp;</p>
<p><strong>Example: </strong>SimpleImageHandler.ashx<br>&lt;%@ WebHandler Language="C#" Class="SimpleImageHandler" %&gt;</p>
<p>using System;<br>using System.Drawing;<br>using System.Drawing.Imaging;<br>using System.IO;<br>using System.Web;<br>using System.Web.Caching;</p>
<p>public class SimpleImageHandler : IHttpHandler {</p>
<p>&nbsp;&nbsp;&nbsp; public void ProcessRequest(HttpContext context)<br>&nbsp;&nbsp;&nbsp; {<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // Load image.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Bitmap bmap = new Bitmap(@"C:\Temp\TEST.JPG");</p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //&nbsp;You could do something here, e.g. add some texts to image.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // Send back image.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; context.Response.ContentType = "image/jpeg";<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; context.Response.BufferOutput = false;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; bmap.Save(context.Response.OutputStream, ImageFormat.Jpeg);<br>&nbsp;&nbsp;&nbsp; }</p>
<p>&nbsp;&nbsp;&nbsp; public bool IsReusable<br>&nbsp;&nbsp;&nbsp; {<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; get<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return false;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<br>&nbsp;&nbsp;&nbsp; }</p>
<p style="COLOR: #ff6600" align=left><br>&nbsp;</p>
<img src ="http://www.blogjava.net/yank/aggbug/109633.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/yank/" target="_blank">停留的风</a> 2007-04-10 14:42 <a href="http://www.blogjava.net/yank/articles/109633.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>多种网页弹出窗口代码</title><link>http://www.blogjava.net/yank/articles/108276.html</link><dc:creator>停留的风</dc:creator><author>停留的风</author><pubDate>Tue, 03 Apr 2007 14:14:00 GMT</pubDate><guid>http://www.blogjava.net/yank/articles/108276.html</guid><wfw:comment>http://www.blogjava.net/yank/comments/108276.html</wfw:comment><comments>http://www.blogjava.net/yank/articles/108276.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/yank/comments/commentRss/108276.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/yank/services/trackbacks/108276.html</trackback:ping><description><![CDATA[<h1>多种网页弹出窗口代码</h1>
<h1><strong>1.弹启一个全屏窗口</strong> <br>＜html＞ <br>＜body onload="window.open(@# );"＞ <br>＜b＞＜/b＞ <br>＜/body＞ <br>＜/html＞ </h1>
<p style="COLOR: #800000"><br><strong>2.弹启一个被F11化后的窗口 <br></strong>＜html＞ <br>＜body onload="window.open(@# );"＞ <br>＜b＞＜/b＞ <br>＜/body＞ <br>＜/html＞ </p>
<p style="COLOR: #800000"><br><strong>3.弹启一个带有收藏链接工具栏的窗口</strong> <br>＜html＞ <br>＜body onload="window.open(@#http://www.e3i5.com@#,@#example03@#,@#width=400,height=300,directories@#);"＞ <br>＜b＞＜/b＞ <br>＜/body＞ <br>＜/html＞ </p>
<p style="COLOR: #800000"><br><strong>4.网页对话框</strong> <br>＜html＞ <br><br>＜b＞＜/b＞ <br>＜/body＞ <br>＜/html＞ </p>
<p style="COLOR: #800000">＜html＞ <br><br>＜b＞＜/b＞ <br>＜/body＞ <br>＜/html＞ </p>
<p style="COLOR: #800000"><br>showModalDialog()或是showModelessDialog() 来调用网页对话框，至于showModalDialog()与showModelessDialog()的区别，在于showModalDialog()打开的窗口（简称模式窗口），置在父窗口上，必须关闭才能访问父窗口(建议尽量少用，以免招人反感)；showModelessDialog()（简称无模式窗口），打开后不必关闭也可访问父窗口打开的窗口。 <br>dialogHeight: iHeight 设置对话框窗口的高度。 <br>dialogWidth: iWidth 设置对话框窗口的宽度。 　　 <br>dialogLeft: iXPos 设置对话框窗口相对于桌面左上角的left位置。 <br>dialogTop: iYPos 设置对话框窗口相对于桌面左上角的top位置。 <br>center: {yes 　 no 　 1 　 0 } 指定是否将对话框在桌面上居中，默认值是&#8220;yes&#8221;。 <br>help: {yes 　 no 　 1 　 0 } 指定对话框窗口中是否显示上下文敏感的帮助图标。默认值是&#8220;yes&#8221;。 　　 <br>resizable: {yes 　 no 　 1 　 0 } 指定是否对话框窗口大小可变。默认值是&#8220;no&#8221;。 <br>status: {yes 　 no 　 1 　 0 } 指定对话框窗口是否显示状态栏。对于非模式对话框窗口，默认值是&#8220;yes&#8221;；对于模式对话框窗口，默认值是 &#8220;no&#8221;。 </p>
<p style="COLOR: #800000"><strong>5.HTA窗口</strong> </p>
<p style="COLOR: #800000">HTA的全名为HTML Application，翻译过来就是HTML应用程序，你只要简单的用.hta为扩展名保存HTML页面就算创建了一个HTA文件，下面我们就用HTA来编个窗口，将以下这段代码保存为.hta文件，然后再用浏览器打开。 </p>
<p style="COLOR: #800000">＜HTML＞ <br>＜HEAD＞ <br>＜TITLE＞＜/TITLE＞ <br>＜HTA:APPLICATION ID="oHTA" <br>APPLICATIONNAME="myApp" <br>　　BORDER="thin" <br>　　BORDERSTYLE="normal" <br>　　CAPTION="yes" <br>　　ICON="filename.ico" <br>　　MAXIMIZEBUTTON="yes" <br>　　MINIMIZEBUTTON="yes" <br>　　SHOWINTASKBAR="no" <br>　　INGLEINSTANCE="no" <br>　　SYSMENU="yes" <br>　　VERSION="1.0" <br>　　WINDOWSTATE="normal" /＞ <br>＜/HEAD＞ <br>＜BODY＞ <br>＜b＞＜/b＞ <br>＜/BODY＞ <br>＜/HTML＞ </p>
<p style="COLOR: #800000">有人会发现上面这些代码与平时的html有点不同，多了HTA:APPLICATION标签，这就是关键之处，hta通过它来提供一系列面向应用程序的功能，接下来再讲一讲它的属性（我的头又在发胀） </p>
<p style="COLOR: #800000">APPLICATIONNAME属性(applicationName) <br>　　此属性为设置HTA的名称。 <br>　　BORDER属性(border) <br>　　此属性为设置为HTA的窗口边框类型，默认值为 thick。 <br>　　它可以设为　thick 指定窗口为粗边框 <br>　　　　　　　　dialog window 指定窗口为对话框 <br>　　　　　　　　none 指定窗口无边框 <br>　　　　　　　　thin 指定窗口为窄边框 <br>BORDERSTYLE属性(borderStyle) <br>　　此属性为设置HTA窗口的边框格式，默认值为 normal。 <br>　　它可以设为 <br>　　 normal 普通边框格式 <br>　　 complex 凹凸格式组合边框 <br>　　 raised 凸出的3D边框 <br>　　 static 3D边框格式 <br>　　 sunken 凹进的3D边框 <br>CAPTION属性(caption) <br>　　此属性为设置HTA窗口是否显示标题栏或标题，默认值为 yes。 <br>ICON属性(icon) <br>　　此属性为设置应用程序的图标。 <br>MAXIMIZEBUTTON属性(maximizeButton) <br>　　此属性为设置是否在HTA窗口中显示最大化按钮，默认值为 yes。 <br>MINIMIZEBUTTON属性(minimizeButton) <br>　　此属性为设置是否在HTA窗口中显示最小化按钮，默认值为 yes。 <br>SHOWINTASKBAR属性(showInTaskBar) <br>　　此属性为设置是否在任务栏中显示此应用程序，默认值为 yes。 <br>SINGLEINSTANCE属性(singleInstance) <br>　　此属性为设置是否此应用程序同时只能运行一次。次属性以APPLICATIONNAME属性作为标识，默认值为 no。 <br>SYSMENU属性(sysMenu) <br>　　此属性为设置是否在HTA窗口中显示系统菜单，默认值为 yes。 <br>VERSION属性(version) <br>　　此属性为设置应用程序的版本，默认值为空。 <br>WINDOWSTATE属性(windowState) <br>　　此属性为设置HTA窗口的初始大小，默认值为 normal。 <br>　　它可以设为 normal 默认大小 <br>　　　　　　　 minmize 最小化 <br>　　　　　　　 maximize 最大化 <br>以上括号中的是在脚本引用的属性。在脚本中以上属性皆为只读属性。此外，在脚本中还可以使用commandLine属性来检索应用程序启动时的参数。 <br>　　在HTA中还可以继续使用html中的绝大多数标签、脚本等。 </p>
<img src ="http://www.blogjava.net/yank/aggbug/108276.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/yank/" target="_blank">停留的风</a> 2007-04-03 22:14 <a href="http://www.blogjava.net/yank/articles/108276.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>