图片实现gridview编辑删除事件

<asp:TemplateField HeaderText="编辑"><ItemTemplate>
         <asp:ImageButton id="Imagebutton3" runat="server" ImageUrl="../img/edit.gif" CommandName="edit" AlternateText="Edit this item"></asp:ImageButton>&nbsp;
         </ItemTemplate></asp:TemplateField>
         <asp:TemplateField HeaderText="删除"><ItemTemplate> <asp:ImageButton id="Imagebutton4"  runat="server" ImageUrl="../img/delete.gif" CommandName="delete" AlternateText="Delete this item"></asp:ImageButton>&nbsp;</ItemTemplate> </asp:TemplateField>   

（按钮实现删除编辑）另外：  <Columns>
                                                                <asp:CommandField HeaderText="修改"  ShowEditButton="True" ShowHeader="True" />
                                                              
                                                                <asp:CommandField HeaderText="删除" ShowDeleteButton="True" ShowHeader="True" />
                                                                                                                             
                                                            </Columns>