datalist 合并单元格 相同行合并

// 合并单元格
for (int i = ElectricYellowPage.Items.Count - 1; i > 0; i--)
{
HtmlTableCell oCell_previous = ElectricYellowPage.Items[i - 1].FindControl("tdnewCreat") as HtmlTableCell;
HtmlTableCell oCell = ElectricYellowPage.Items[i].FindControl("tdnewCreat") as HtmlTableCell;

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)
{
oCell.Visible = false;
oCell_previous.RowSpan += oCell.RowSpan;
}
}

前台：

<div class="table-responsive" >
<table class="table table-bordered table-condensed" >
<asp:Repeater ID="ElectricYellowPage" runat="server" EnableViewState="False">
<HeaderTemplate>
<thead>
<tr>
<th colspan="6">电子黄页各区域新增、取消及收入情况</th>
<th rowspan="2">当月新增完成情况</th>
</tr>
<tr>
<th>地区</th>
<th>当日新增</th>
<th>当日取消</th>
<th>当日在网数</th>
<th>当月预计可结算金额</th>
<th>ARPU</th>
</tr>
</thead>
</HeaderTemplate>
<ItemTemplate>
<tr <%# GetColor( Eval("Area"))%>>
<td><%#Eval("[Area]") %></td>
<td style="text-align:right"><%#Eval("[DayNewCrease]") %></td>
<td style="text-align:right"><%#Eval("[Daycancel]") %></td>
<td style="text-align:right"><%#Eval("[DayInter]") %></td>
<td style="text-align:right"><%#Eval("[ARPU]") %></td>
<td style="text-align:right"><%#Eval("[ExpectedSettlement]") %></td>
<%-- <td rowspan="<%=rowscount %>"></td> --%>
<td id="tdnewCreat" runat="server" style="text-align:center;vertical-align:middle"><%#Eval("[NewCreatComplay]") %></td>
</tr>
</ItemTemplate>
<%-- <FooterTemplate>
<tr style="background-color:#FED966;" >
<td>合计</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</FooterTemplate> --%>
</asp:Repeater>
</table>
</div>