Repeter中列相同数据合并

   <asp:Repeater runat="server" ID="rptInfo" onitemdatabound="Repeater1_ItemDataBound">

                 <HeaderTemplate>

                     <table cellpadding="" cellspacing="" border="" bordercolor="black" width="100%" style="border-collapse: collapse; border-style: solid;">

                         <tr style=" font-weight:bold; text-align:center;">

                            <%-- <td>序号</td>--%>

                             <td  width="15%">单位名称</td>

                             <td>经营设施地址</td>

                             <td>核准内容</td>

                             <td>核准经营数量（吨/年）</td>

                             <td>处置方式</td>

                             <td>法定代表人</td>

                             <td>联系电话</td>

                             <td width="12%">有效期</td>

                         </tr>
                 </HeaderTemplate>

                 <ItemTemplate>

                     <tr>
                         <%--<td runat="server" id="tdxuhao"></td>--%>

                         <td runat="server" id="tdqiye_name" style="font-size:13px;"><%#Eval("qiye_name")%></td>

                         <td runat="server" id="tdDWDZ" style="font-size:13px;"><%#Eval("DWDZ")%></td>

                         <td runat="server" id="tdhzmc" style="font-size:13px; text-align:center;"><%#Eval("hzmc")%></td>

                         <td runat="server" id="tdmaxhpy" style=" text-align:center;font-size:13px;"><%#Eval("max_handle_per_year")%></td>

                         <td runat="server" id="tdczfs" style=" text-align:center;font-size:13px;"><%#Eval("czfs")%></td>

                         <td runat="server" id="tdFRDB" style="font-size:13px; text-align:center;"><%#Eval("FRDB")%></td>

                         <td runat="server" id="tdLXDH" style="font-size:13px; text-align:center;"><%#Eval("LXDH")%></td>

                          <td id="tdyxqt" runat="server" style=" text-align:center; font-size:13px;" ><%#Eval("firstTime", "{0:yyyy-MM-dd}")%>～<%#Eval("edittime", "{0:yyyy-MM-dd}")%></td>

                     </tr>

                 </ItemTemplate>

                 <FooterTemplate>
                     </table>

                 </FooterTemplate>

             </asp:Repeater>

  public void getAllJYXKZ()
         {
             TGfgsJyxkzxxgsBizLogic jyxkz = new TGfgsJyxkzxxgsBizLogic();
             DataSet ds = jyxkz.GetALLSPSL();
             this.rptInfo.DataSource = ds;
             this.rptInfo.DataBind();

             for (int i = rptInfo.Items.Count - ; i > ; i--)
             {

                 //  HtmlTableCell xuhao_previous = rptInfo.Items[i].FindControl("tdxuhao") as HtmlTableCell;
                 // HtmlTableCell xuhao = rptInfo.Items[i-1].FindControl("tdxuhao") as HtmlTableCell;

                 HtmlTableCell oCell_previous = rptInfo.Items[i - ].FindControl("tdqiye_name") as HtmlTableCell;
                 HtmlTableCell oCell = rptInfo.Items[i].FindControl("tdqiye_name") as HtmlTableCell;

                 oCell.RowSpan = (oCell.RowSpan == -) ?  : oCell.RowSpan;
                 oCell_previous.RowSpan = (oCell_previous.RowSpan == -) ?  : oCell_previous.RowSpan;

                 if (oCell.InnerText == oCell_previous.InnerText)
                 {
                     oCell.Visible = false;
                     oCell_previous.RowSpan += oCell.RowSpan;

                 }

                 HtmlTableCell DWDZprecious = rptInfo.Items[i - ].FindControl("tdDWDZ") as HtmlTableCell;
                 HtmlTableCell DWDZ = rptInfo.Items[i].FindControl("tdDWDZ") as HtmlTableCell;
                 DWDZ.RowSpan = (DWDZ.RowSpan == -) ?  : DWDZ.RowSpan;
                 DWDZprecious.RowSpan = (DWDZprecious.RowSpan == -) ?  : DWDZprecious.RowSpan;
                 if (DWDZ.InnerText == DWDZprecious.InnerText)
                 {
                     DWDZ.Visible = false;
                     DWDZprecious.RowSpan += DWDZ.RowSpan;
                 }

                 HtmlTableCell hzmcprecious = rptInfo.Items[i - ].FindControl("tdhzmc") as HtmlTableCell;
                 HtmlTableCell hzmc = rptInfo.Items[i].FindControl("tdhzmc") as HtmlTableCell;
                 hzmc.RowSpan = (hzmc.RowSpan == -) ?  : hzmc.RowSpan;
                 hzmcprecious.RowSpan = (hzmcprecious.RowSpan == -) ?  : hzmcprecious.RowSpan;
                 if (hzmc.InnerText == hzmcprecious.InnerText)
                 {
                     hzmc.Visible = false;
                     hzmcprecious.RowSpan += hzmc.RowSpan;
                 }

                 HtmlTableCell FRDBrecious = rptInfo.Items[i - ].FindControl("tdFRDB") as HtmlTableCell;
                 HtmlTableCell FRDB = rptInfo.Items[i].FindControl("tdFRDB") as HtmlTableCell;
                 FRDB.RowSpan = (FRDB.RowSpan == -) ?  : FRDB.RowSpan;
                 FRDBrecious.RowSpan = (FRDBrecious.RowSpan == -) ?  : FRDBrecious.RowSpan;

                 if (FRDB.InnerText == FRDBrecious.InnerText)
                 {
                     FRDB.Visible = false;
                     FRDBrecious.RowSpan += FRDB.RowSpan;
                 }

                 HtmlTableCell LXDHrecious = rptInfo.Items[i - ].FindControl("tdLXDH") as HtmlTableCell;
                 HtmlTableCell LXDH = rptInfo.Items[i].FindControl("tdLXDH") as HtmlTableCell;
                 LXDH.RowSpan = (LXDH.RowSpan == -) ?  : LXDH.RowSpan;
                 LXDHrecious.RowSpan = (LXDHrecious.RowSpan == -) ?  : LXDHrecious.RowSpan;

                 if (LXDH.InnerText == LXDHrecious.InnerText)
                 {
                     LXDH.Visible = false;
                     LXDHrecious.RowSpan += LXDH.RowSpan;
                 }

                 HtmlTableCell maxhpyrecious = rptInfo.Items[i - ].FindControl("tdmaxhpy") as HtmlTableCell;
                 HtmlTableCell maxhpy = rptInfo.Items[i].FindControl("tdmaxhpy") as HtmlTableCell;
                 maxhpy.RowSpan = (maxhpy.RowSpan == -) ?  : maxhpy.RowSpan;
                 maxhpyrecious.RowSpan = (maxhpyrecious.RowSpan == -) ?  : maxhpyrecious.RowSpan;

                 if (maxhpy.InnerText == maxhpyrecious.InnerText)
                 {
                     if (oCell.InnerText == oCell_previous.InnerText)
                     {
                         maxhpy.Visible = false;
                         maxhpyrecious.RowSpan += maxhpy.RowSpan;
                     }
                 }

                 HtmlTableCell czfsrecious = rptInfo.Items[i - ].FindControl("tdczfs") as HtmlTableCell;
                 HtmlTableCell czfs = rptInfo.Items[i].FindControl("tdczfs") as HtmlTableCell;
                 czfs.RowSpan = (czfs.RowSpan == -) ?  : czfs.RowSpan;
                 czfsrecious.RowSpan = (czfsrecious.RowSpan == -) ?  : czfsrecious.RowSpan;

                 if (czfs.InnerText == czfsrecious.InnerText)
                 {
                     if (oCell.InnerText == oCell_previous.InnerText)
                     {
                         czfs.Visible = false;
                         czfsrecious.RowSpan += czfs.RowSpan;
                     }
                 }

                 HtmlTableCell yxqtrecious = rptInfo.Items[i - ].FindControl("tdyxqt") as HtmlTableCell;
                 HtmlTableCell yxqt = rptInfo.Items[i].FindControl("tdyxqt") as HtmlTableCell;
                 yxqt.RowSpan = (yxqt.RowSpan == -) ?  : yxqt.RowSpan;
                 yxqtrecious.RowSpan = (yxqtrecious.RowSpan == -) ?  : yxqtrecious.RowSpan;

                 if (yxqt.InnerText == yxqtrecious.InnerText)
                 {
                     yxqt.Visible = false;
                     yxqtrecious.RowSpan += yxqt.RowSpan;
                 }

             }
         }