asp.net - Button click event not firing inside modal pop up extender -


i have used ajax modal popup extender inside grid view adding confirmation box confirming user delete item grid view. 

   <asp:templatefield headertext="action">                                                                                        <itemtemplate>               ....    ....                                                                                         <asp:linkbutton id="lnkdelete" runat="server" tooltip="delete" cssclass="colorlnkbtndelete" commandargument='<%# databinder.eval (container.dataitem, "product") %>'><i class="icon-trash"></i></asp:linkbutton>                                            <ajax:confirmbuttonextender id="cnfbtn" targetcontrolid="lnkdelete" displaymodalpopupid="modalpopupextender"                                                 runat="server">                                             </ajax:confirmbuttonextender>                                             <asp:panel id="pnlconfirm" runat="server" style="display: none" cssclass="pnlcss filterpopup containerpopup">                                                 <con:confirm id="userconfirm" runat="server" />                                                 <div class="footer2">                                                     <asp:button id="btnok" class="btn btn-danger" runat="server" text="yes" onclick="lbtn_delete_click" />                                                     <asp:button id="btncancelconfirm" class="btn btn-danger" runat="server" text="no" />                                                 </div>                                             </asp:panel>                                             <ajax:modalpopupextender id="modalpopupextender" runat="server" targetcontrolid="lnkdelete"                                                 popupcontrolid="pnlconfirm" cancelcontrolid="btncancelconfirm" backgroundcssclass="modalbackground">                                             </ajax:modalpopupextender>                                                                              </itemtemplate>                                                                              </asp:templatefield>

now issue when click on btnok event "lbtn_delete_click" not getting fired. please !!!

is under update panel? if yes may add trigger.

if no, remove "lbtn_delete_click" , switch design mode , double click on button. , try.


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