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This is the second time im putting this question online. Sorry for that but I still cant get a way to fire a button event inside an update panel;
ID="UpdatePanel3" runat="server" UpdateMode="Always">
           <asp:Panel ID="Panel3" runat="server" CssClass="HellowWorldPopup">
           <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
               <asp:Button ID="Button3" runat="server" Text="Button"  Style="display:none" />
               <asp:Button ID="Button4" runat="server" Text="OK" onclick="Button4_Click"
               <asp:Label ID="Label7" runat="server" Text="Label"></asp:Label>
           <asp:ModalPopupExtender ID="ModalPopupExtender12" runat="server" PopupControlID="Panel3" Enabled="true"
            <asp:AsyncPostBackTrigger ControlID="Button4" EventName="Click" />

I really dont know what the issue is and need some real help now please....
then in C# :
protected void Button4_Click(object sender, EventArgs e)
Posted 23-Sep-12 12:18pm
Edited 23-Sep-12 12:22pm
aajeesh at 24-Sep-12 0:18am
Dear harrypsd1789 Yuor code works fine for me..
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Solution 2

Have you handled/defined validating event?
control causes validation and might be possible u didn't handle this.
try to execute without
or with
and see.
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Solution 3

have checked with
then trigger will works
and also check the
click event name
Kishor Khatri at 5-Sep-14 6:53am
Thanks S.P.Tiwari...
Its Worked for me...
Thanks for your answer or help
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Solution 1

your code works for me, just try to use a hyperlink instead of a button & then link that login.aspx to that hyperlink

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