ModalPopupExtender confirmation not working in <asp:CommandFiel in grid view

[Vishnu Narayan Mishra]

Hi to all forum members. I am stuck in implementing ModalPopupExtender in <asp:CommandField in grid view. Although below code is working fine in <asp:template field in grid view. <asp:TemplateField HeaderText="Delete" HeaderStyle-CssClass="tableheading" HeaderStyle-Width="70px"> <ItemTemplate> <center> <asp:ImageButton ID="imgDelete" runat="server" OnClientClick="showConfirm(this); return false;" ImageUrl="~/Images/delete.png" OnClick="imgBtnDelete_Click" /></center> </ItemTemplate> </asp:TemplateField> following is my code which I am trying to implement in <asp:CommandFiel in grid view. .aspx code Grid view code <asp:CommandField HeaderText="Edit/Delete" ItemStyle-HorizontalAlign="Center" CausesValidation="false" ShowCancelButton="true" ShowEditButton="True" ShowDeleteButton="true" /> modal popup code <ajaxToolkit:ModalPopupExtender ID="md1" runat="server" BackgroundCssClass="modalBackground" BehaviorID="mdlPopup" CancelControlID="btnNo" OkControlID="btnOk" OnCancelScript="cancelClick();" OnOkScript="okClick();" PopupControlID="Confiramtiondiv" TargetControlID="Confiramtiondiv"> </ajaxToolkit:ModalPopupExtender> <div id="Confiramtiondiv" runat="server" align="center" style="display: none"> <table id="Table3" cellpadding="1" cellspacing="1" border="0" bordercolor="blue" runat="server" align="center"> <tr> <td colspan="4" align="center"> <asp:Label ID="lblConfirmmsg" runat="server" Text="Are you sure you want to delete this Trip ?" CssClass="lblConfirmmsg"></asp:Label> </td> </tr> <tr> <td width="20%"> </td> <td width="30%"> <asp:Button ID="btnOk" runat="server" Text="Yes" CausesValidation="false" Width="50px" />