Button Click event not firing

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I have placed a button inside an update panel content template.The problem is that the button click event is not fired upon clicking the button:
Asp:

XML

<asp:Panel ID="Panel2" runat="server" CssClass="HellowWorldPopup" Height="37px" style="margin-top: 0px">
        <asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional">
         <ContentTemplate>


        <asp:Button ID="Button2" runat="server" Style="display:none" />


        <asp:ModalPopupExtender ID="Unauthenticated_popup" runat="server"
           TargetControlID="Button2" PopupControlID="Panel2" CancelControlID="OkButton2" DropShadow="true" >
        </asp:ModalPopupExtender>
        <legend style="font-family: Tahoma; font-size: small; font-weight: bold; font-style: normal; font-variant: normal; text-transform: none; color: #000000; text-decoration: blink">ICT UNAUTHORIZED USER
        </legend>
        <asp:Label ID="lbldisplay" runat="server" />
        <asp:Button ID="OkButton2" runat="server" Text="Ok" CausesValidation="false" OnClick="redirect_login" CssClass="button"/>&nbsp;
        </ContentTemplate>
         </asp:UpdatePanel>
    </asp:Panel>

and

C#

protected void redirect_login(object sender,EventArgs e)
   {
       Response.Redirect("Login.aspx");
   }

Posted 20-Sep-12 13:25pm

harrypsd1789

Updated 20-Sep-12 13:37pm

Kenneth Haugland

v2

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Rock (Multithreaded) 20-Sep-12 20:28pm

Update Panel is a Ajax Component.
You need to add Ajax functionality to your webpage.

1 solution

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Mohamed Mitwalli · Accepted Answer · 2012-09-20T14:41:00

Hi ,
Check this
AsyncPostBackTrigger

XML

<asp:Panel ID="Panel2" runat="server" CssClass="HellowWorldPopup" Height="37px" style="margin-top: 0px">
       <asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Conditional">
        <ContentTemplate>


       <asp:Button ID="Button2" runat="server" Style="display:none" />


       <asp:ModalPopupExtender ID="Unauthenticated_popup" runat="server"
          TargetControlID="Button2" PopupControlID="Panel2" CancelControlID="OkButton2" DropShadow="true" >
       </asp:ModalPopupExtender>
       <legend style="font-family: Tahoma; font-size: small; font-weight: bold; font-style: normal; font-variant: normal; text-transform: none; color: #000000; text-decoration: blink">ICT UNAUTHORIZED USER
       </legend>
       <asp:Label ID="lbldisplay" runat="server" />
       <asp:Button ID="OkButton2" runat="server" Text="Ok" CausesValidation="false" OnClick="redirect_login" CssClass="button"/>&nbsp;
       </ContentTemplate>
           <Triggers>
               <asp:AsyncPostBackTrigger ControlID="OkButton2" EventName="Click" />
           </Triggers>
        </asp:UpdatePanel>

http://msdn.microsoft.com/en-us/library/system.web.ui.asyncpostbacktrigger.aspx[^]
http://ajax.net-tutorials.com/controls/updatepanel-control/[^]
Best Regards
M.Mitwalli