是否有可能在asp gridview中的每一列中创建多个hovermenuextender？

Question

我有一个gridview，列出尺寸，比如说XS，S，SM，M，L等等。我使用ajax hovermenuextender，这样当用户悬停到每个数量时，会显示一些信息，例如Line Name。我试图为前两个尺寸/列创建ajax并使其正常工作。但是当谈到下一篇专栏文章时，我会遇到一些错误。

这可能吗？我是ajax和ASP Gridview的新手。做这个的最好方式是什么？或者你能告诉我应该改进哪部分编码吗？

<div style="overflow-x:auto; HEIGHT: 500px" >   
  <asp:GridView ID="GridView1" runat="server"  AutoGenerateColumns ="False" 
   OnRowDataBound="GridView1_RowDataBound" CssClass="stdtable"
   OnRowCreated="GridView1_RowCreated">
    <AlternatingRowStyle BackColor="#ccffcc" BorderStyle="Solid"/> 

   <Columns>
      <asp:TemplateField HeaderText="XXS">
       <ItemTemplate>
         <asp:Label ID="XXS_P" runat="server" Text='<%# Eval("XXS_P") %>' />
          <asp:Panel ID="panel_XXS_P" runat="server" BackColor="AliceBlue">
            Line: <asp:Label ID="lblLineName" runat="server" Text='<%# 
             Eval("LineName") %>' /></td>                                                         
          </asp:Panel>     
          <asp:HoverMenuExtender ID="HoverMenuExtender1" runat="server" 
            TargetControlID="XXS_P"                                                     
            PopupControlID="panel_XXS_P" PopupPosition="Right" 
            PopDelay="20">
          </asp:HoverMenuExtender>  
         </ItemTemplate> <ItemStyle Width="30px" />
      </asp:TemplateField>

    <asp:TemplateField HeaderText="XS">
     <ItemTemplate>
        <asp:Label ID="XS_P" runat="server" Text='<%# Eval("XS_P") %>' />
        <asp:Panel ID="panel_XS_P" runat="server" BackColor="AliceBlue">
         Line: <asp:Label ID="lblLineName" runat="server" Text='<%# 
         Eval("LineName") %>' /></td>                                     
       </asp:Panel>     
        <asp:HoverMenuExtender ID="HoverMenuExtender2" runat="server" 
         TargetControlID="XS_P"                                                        
        PopupControlID="panel_XS_P" PopupPosition="Right" PopDelay="20">
        </asp:HoverMenuExtender>  
       </ItemTemplate> <ItemStyle Width="30px" />
    </asp:TemplateField>

  <asp:TemplateField HeaderText="S">
     <ItemTemplate><asp:Label ID="S_P" runat="server" Text='<%# Eval("S_P") 
       %>' />
        <asp:Panel ID="panel_S_P" runat="server" BackColor="AliceBlue">
        Line: <asp:Label ID="lblLineName" runat="server" Text='<%# 
         Eval("LineName") %>' /></td></asp:Panel>
       <asp:HoverMenuExtender ID="HoverMenuExtender3" runat="server" 
       TargetControlID="S_P" PopupControlID="panel_S_P" 
        PopupPosition="Right" PopDelay="20">
      </asp:HoverMenuExtender></ItemTemplate> <ItemStyle Width="30px" />
   </asp:TemplateField>
  </Columns>
 </asp:GridView>
</div>

尝试运行应用程序时发现错误：