AJAX :: Modal PopUp's OkClick Causing Full Page Postback?

Apr 28, 2010

I am having issue with my ModalPopUpExtender's OKControlID. I have a button inside an update panel that should do AsyncPostBack. The button works fine and runs server side code but it causes full page postback. How do I solve this issue? I want the 'OK' button inside the modalpopup to call the serverside code and update Label control 'label3' without causing the page flash. Given below is my code;

MarkUp:

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Next Gen Web Browser</title>
<script src="http://ajax.microsoft.com/ajax/jquery/jquery-1.3.2.js" type="text/javascript"></script>

[Code]....

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[code]....

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[Code]....

[Code]....

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[Code]....

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[Code] .....

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[Code] ....

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[Code] ....

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