Gridview里的编辑删除，删除的确认窗口失效

Question

<asp:CommandField DeleteText="&lt;div id=&quot;de&quot; onclick=&quot;JavaScript:return confirm('确定删除吗？')&quot;&gt;删除&lt;/div&gt;"  
   ShowDeleteButton="True" ShowEditButton="True" 
   ButtonType="Image" DeleteImageUrl="~/images/del.gif" 
    EditImageUrl="~/images/edt.gif" CancelImageUrl="~/images/bac.gif" 
    UpdateImageUrl="~/images/sure.gif" CancelText="取消" EditText="编辑" UpdateText="更新">
   </asp:CommandField> DeleteText="&lt;div id=&quot;de&quot; onclick=&quot;JavaScript:return confirm('确定删除吗？')&quot;&gt;删除&lt;/div&gt;"  
这段在按钮是link模式下是正常的，点击删除，会有确认删除的窗口出现，现在用image模式，就失效了，怎么回事了？

Answer 1

<asp:TemplateField HeaderText="删除">
                                        <ItemTemplate>
                                            <asp:ImageButton ID="del" runat="server" CommandName="delete" ImageUrl="~/images/del.gif" 
                                                OnClientClick="return confirm('确认删除吗？')" />
                                        </ItemTemplate>
                                                                           </asp:TemplateField>