//有保存对话框
public void dgvToExcel(System.Windows.Forms.DataGridView datagridview, string SheetName)
{
int iRows = 0;
int iCols = 0;
int iTrueCols = 0;
Microsoft.Office.Interop.Excel.Application app = new Microsoft.Office.Interop.Excel.Application();
Microsoft.Office.Interop.Excel.Workbook wb = app.Workbooks.Add(System.Reflection.Missing.Value);
Microsoft.Office.Interop.Excel.Worksheet ws = null;
if (wb.Worksheets.Count > 0)
{
ws = (Microsoft.Office.Interop.Excel.Worksheet)wb.Worksheets.get_Item(1);
}
else
{
wb.Worksheets.Add(System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value, System.Reflection.Missing.Value);
ws = (Microsoft.Office.Interop.Excel.Worksheet)wb.Worksheets.get_Item(1);
}
if (ws != null)
{
if (SheetName.Trim() != "")
{
ws.Name = SheetName;
}
iRows = datagridview.Rows.Count; //加上列头行
iTrueCols = datagridview.Columns.Count; //包含隐藏的列，一共有多少列
//求列数，省略Visible = false的列
for (int i = 0; i < datagridview.Columns.Count; i++)
{
if (datagridview.Columns[i].Visible) iCols++;
}
string[,] dimArray = new string[iRows + 1, iCols];
for (int j = 0, k = 0; j < iTrueCols; j++)
{
//省略Visible = false的列
if (datagridview.Columns[j].Visible)
{
dimArray[0, k] = datagridview.Columns[j].HeaderText;
k++;
}
}
for (int i = 0; i < iRows; i++)
{
for (int j = 0, k = 0; j < iTrueCols; j++)
{
//省略Visible = false的列
if (datagridview.Columns[j].Visible)
{
if (datagridview.Rows[i].Cells[j].Value != null)
{
dimArray[i + 1, k] = datagridview.Rows[i].Cells[j].Value.ToString();
}
else
{
dimArray[i + 1, k] = "";
}
k++;
}
}
}
ws.get_Range(ws.Cells[1, 1], ws.Cells[iRows + 1, iCols]).Value2 = dimArray;
ws.get_Range(ws.Cells[1, 1], ws.Cells[1, iCols]).Font.Bold = true;
ws.get_Range(ws.Cells[1, 1], ws.Cells[iRows + 1, iCols]).Font.Size = 10.0;
ws.get_Range(ws.Cells[1, 1], ws.Cells[iRows + 1, iCols]).RowHeight = 14.25;
//ws.Columns[.ColumnWidth = datagridview.Columns[0].Width;
for (int j = 0, k = 0; j < iTrueCols; j++)
{
//省略Visible = false的列
if (datagridview.Columns[j].Visible)
{
ws.get_Range(ws.Cells[1, k + 1], ws.Cells[1, k + 1]).ColumnWidth = (datagridview.Columns[j].Width / 8.4) > 255 ? 255 : (datagridview.Columns[j].Width / 8.4);
//ws.Columns.c = datagridview.Columns[j].Width;
k++;
}
}
}
app.Visible = true;
}