GridView合并单元格《转》

  //GridView合并单元格
//中间变量，存取TableCell
  private TableCell publishDateCell = null;
  protected void grvTest_RowDataBound(object sender, GridViewRowEventArgs e)
  {
      if (e.Row.RowType == DataControlRowType.DataRow)
      {
          //第一行，publishDateCell=null
          if (publishDateCell == null)
          {
              publishDateCell = e.Row.Cells[2];
              publishDateCell.RowSpan = 1;
          }
          else
          {
              //判断当前行的日期是否和publishDateCell一致
              //如果一致，跨行
              if (e.Row.Cells[2].Text == publishDateCell.Text)
              {
                  e.Row.Cells[2].Visible = false;
                  publishDateCell.RowSpan++;
              }
              else
              {
                  //如果不等，更新publishDateCell为当前日期
                  //重新统计跨行
                  publishDateCell = e.Row.Cells[2];
                  publishDateCell.RowSpan = 1;
              }
          }
      }