AJAX :: Update Panel Wont Work Right?

May 26, 2010

I don't understand why this update panel doesn't work right. It doesn't do a partial update. Enable partial page rendering is set to true but clicking the button causes a full page post back. The text of the label changes with the full post back. So, the event is firing and being handled but not with a partial post back. This is with in a content page with in a Master Page. Does anyone see what I've done wrong?

[Code]....

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AJAX :: Can't Get Update Panel To Work

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "[URL]">
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<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
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<div atomicselection="False">
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Return date: <asp:TextBox ID="tbReturn" runat="server" />
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[code]....

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[Code]....

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[code]...

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-Nate
UPDATE
I've added
Private Sub AsyncFileUpload1_UploadedComplete(ByVal sender As Object, ByVal e As AjaxControlToolkit.AsyncFileUploadEventArgs) Handles AsyncFileUpload1.UploadedComplete
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[code]...

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[Code]....

[Code]....

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[Code]....

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Code on the dataURL_Infrasturcture_Capacity.aspx page:

[Code]....

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