asp.net - onokayscript not working with ajax modal popup extender -

asp.net - onokayscript not working with ajax modal popup extender -

onokay script not working in code. aim phone call asp button click event on clicking okay button , if cancel button, no need phone call button click event. on below have given code wrote. can help me prepare issue.

<%@ register assembly="ajaxcontroltoolkit" namespace="ajaxcontroltoolkit" tagprefix="asp" %> <asp:scriptmanager id="scriptmanager1" runat="server"></asp:scriptmanager> <asp:button id="submit" runat="server" text="submit" onclick="submit_click" validationgroup="submt"/> <asp:modalpopupextender id="modalpopupextender1" runat="server" cancelcontrolid="btncancel" okcontrolid="btnokay" targetcontrolid="submit" popupcontrolid="panel1" popupdraghandlecontrolid="popupheader" drag="true" backgroundcssclass="modalpopupbg" onokscript="onok();"></asp:modalpopupextender> <asp:panel id="panel1" style="display: none" runat="server"> <span id="overlay"></span> <div class="hellowworldpopup"> <div class="popupheader" id="popupheader">warning</div> <div class="popupbody"> <p>do want alter password!!!</p> </div> <div class="controls"> <input id="btnokay" type="button" value="okay"/> <input id="btncancel" type="button" value="cancel" /> </div> </div> </asp:panel> <script type="text/javascript"> function onok() { homecoming true; } </script>

change toolkitscriptmanager instead of script manager. best reason see here

asp.net ajax c#-4.0 c#-3.0