控件中多行的列（相同）合成一行一列_PreRender事件下邦定

  for (int i = Repeater1.Items.Count - 1; i > 0; i--)
            {


                //txtName是需要合并列的列名
                HtmlTableCell oCell_previous = Repeater1.Items[i - 1].FindControl("txtName") as HtmlTableCell;
                HtmlTableCell oCell = Repeater1.Items[i].FindControl("txtName") as HtmlTableCell;
                //hfName图片列的列名
                HtmlTableCell oC_previous = Repeater1.Items[i - 1].FindControl("hfName") as HtmlTableCell;
                HtmlTableCell oC = Repeater1.Items[i].FindControl("hfName") as HtmlTableCell;
                if (oCell_previous != null && oCell != null)
                {
                    oCell.RowSpan = (oCell.RowSpan == -1) ? 1 : oCell.RowSpan;
                    oCell_previous.RowSpan = (oCell_previous.RowSpan == -1) ? 1 : oCell_previous.RowSpan;


            

                    if (oCell.InnerText == oCell_previous.InnerText)
                    {
                        //姓名一样的
                        oCell.Visible = false;
                        oCell_previous.RowSpan += oCell.RowSpan;

                 
                    }
                }
            }