用DataGrid的ItemCreated事件
private void GridWelkin_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
if ( e.Item.ItemType == ListItemType.Header )
{
TableCell myCell1 = new TableCell();
myCell1.Text = "第一欄位";
myCell1.RowSpan = 2;
TableCell myCell2 = new TableCell();
myCell2.Text = "第二欄位";
myCell2.ColumnSpan = 2;
myCell2.Width = 150;
myCell2.HorizontalAlign = HorizontalAlign.Center;
TableCell myCell3 = new TableCell();
myCell3.Text = "第三欄位";
myCell3.ColumnSpan = 2;
myCell3.Width = 150;
myCell3.HorizontalAlign = HorizontalAlign.Center;
TableCell myCell4 = new TableCell();
myCell4.Text = "第四欄位";
myCell4.ColumnSpan = 2;
myCell4.HorizontalAlign = HorizontalAlign.Center;
myCell4.RowSpan = 2;
// 在原本的Header上再增加新的一列
DataGridItem myHeader = new DataGridItem (0,0,ListItemType.Header);
myHeader.Cells.Add(myCell1);
myHeader.Cells.Add(myCell2);
myHeader.Cells.Add(myCell3);
myHeader.Cells.Add(myCell4);
GridWelkin.Controls[0].Controls.AddAt(0,myHeader);
// 將原本的Header的某些欄位隱藏,這樣上面的RowSpan就可正確的顯示
e.Item.Cells[0].Visible = false;
e.Item.Cells[6].Visible = false;
}
}
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