HoverMenuExtender配合Panel及ImageButton實例

 <asp:TemplateField HeaderText="刪除" ShowHeader="False">
 <ItemTemplate>
    <asp:Panel ID="Panel_hover_delete" runat="server">
       <asp:Image ID="Image_delete" runat="server" ImageUrl="~/images_nice/hover_delete.gif" />
                                      </asp:Panel>        <asp:ImageButton ID="IB_delete" runat="server" CausesValidation="False"
             CommandName="Delete" ImageUrl="~/images_nice/delete.jpg"
                  onclientclick="return confirm(&quot;確定刪除&quot;)" Text="刪除" />           <asp:HoverMenuExtender ID="ImageButton1_HoverMenuExtender" runat="server"
                DynamicServicePath="" Enabled="True" TargetControlID="IB_delete" PopupControlID="panel_hover_delete"     PopupPosition="top">                 </asp:HoverMenuExtender>                                      
     </ItemTemplate>
<ItemStyle HorizontalAlign="Center" Width="60px" />
      </asp:TemplateField>