Microsoft JScript runtime error: 'Sys.Net.WebRequest' is null or not an object

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Hello friends,

I am getting above error when i go to auto post back for text box text changed event.
when i remove the update panel then its working fine.
Please help me.

Posted 15-Jul-11 0:53am

jagadeesh123qqq

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Yuri Vital · Accepted Answer · 2011-07-15T00:56:00

Solution 1

Have you added in you page a script manager in your page ?

XML

<asp:ScriptManager ID="ScriptManager1" runat="server">
   </asp:ScriptManager>

Posted 15-Jul-11 0:56am

Yuri Vital

Comments

jagadeesh123qqq 15-Jul-11 7:14am

ya, when i remove script manager and update panel,its working fine but in my application update panel has to be there for performance

Yuri Vital 15-Jul-11 9:13am

did you use ajaxControlToolKit ?

Yuri Vital 15-Jul-11 9:15am

Post the code of your aspx...

jagadeesh123qqq 16-Jul-11 1:04am

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<input type="hidden" id="MicrosoftILITWebEmbedInfo" attachMode="optout" value="" />

<%-- <script src="Kannada.js" type="text/javascript"></script>
--%><script type="text/javascript" src="http://ilit.microsoft.com/bookmarklet/script/kannada.js" defer="defer"></script>

</head>
<body>

<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">


<div>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" ChildrenAsTriggers="true">
<%--<Triggers ><asp:PostBackTrigger ControlID="TxtSubmitPhoto" /></Triggers>--%>

<contenttemplate>

Welcome to the Registration Page

<p>

First Name: <asp:TextBox runat="server" ID="txtFirstName" Width="400px" />
<br />
<br />
Last Name: <asp:TextBox runat="server" ID="txtLastName" />
<br />
<br />
Password:
<asp:TextBox runat="server" ID="txtPassword" TextMode="Password" />
<br />
<br />
Address: <asp:TextBox runat="server" ID="txtAddress" TextMode="MultiLine" Height="100" Width="200" />
<br />
<br />
English Text: <asp:TextBox ID="txtEnglishText" runat="server" MicrosoftILITWebAttach="false" AutoPostBack="true" CausesValidation="true" />
<br />
<br />
<asp:Button ID="BtnSave" runat="server" Text="Save" />
</p>
<p>

<img style="border: 0px" alt="Transliteration by Microsoft" src="http://ilit.microsoft.com/bookmarklet/images/attribution.png" visible="false">
</p>

</div>

</form>

</body>
</html>

Yuri Vital 19-Jul-11 3:35am

> your script manager tag are not closed ?

> In the updatepanel the tag "<contenttemplate>" is missing !

See here
http://msdn.microsoft.com/fr-fr/library/system.web.ui.updatepanel.contenttemplate.aspx