Hi... I'm beginner in Asp.Net Ajax, I wanted to execute Ajax Controls... ex: ResizableControlExtender, but common error is occurring for all Control programs, Can any body give solution...

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="AjaxProgm7_Resizable.aspx.cs" Inherits="Ajax_AjaxProgm7_Resizable" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="ajaxToolkit" %>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Resizable Control Extender</title>
    <style type="text/css">
        .handling
        {
            width:15px;
            height:15px;
            background-color:Lime;
            display:block;
            cursor:crosshair;
        }
        .resizing
        {
            padding:4px;
            border-style:solid;
            border-width:4px;
            border-color:Green;
            line-height:normal;
        }

    </style>

</head>
<body>
    <form id="form1" runat="server">

        <h3>Drag the image using square button shown at the botton right corner of the Image</h3>

        <ajaxToolkit:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
        </ajaxToolkit:ToolkitScriptManager>
        <div>

            <asp:Panel ID="Panel1" runat="server" Height="200px" BorderStyle="Double">
                <br />
                <br />
                &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                <asp:Image ID="Image1" runat="server" Height="100px"
                    ImageUrl="~/Freedom fighters/bhagat singh wallpapers 1.png" Width="100px" />
            </asp:Panel>
            <ajaxToolkit:ResizableControlExtender ID="ResizableControlExtender1"
                runat="server" HandleCssClass="handling" HandleOffsetX="5" HandleOffsetY="5"
                MaximumHeight="500" MaximumWidth="500" MinimumHeight="50" MinimumWidth="50"
                ResizableCssClass="resizing" TargetControlID="Panel1">
            </ajaxToolkit:ResizableControlExtender>

        <br />
        <br />

    </div>
    </form>
</body>
</html>

error occurring is:

Server Error in '/WebSite1' Application. 

Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. 
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 

Exception Details: System.TypeLoadException: Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.

Source Error: 

 
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. 	 

Stack Trace: 

 

[TypeLoadException: Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.]
   AjaxControlToolkit.ToolkitScriptManager.OnResolveScriptReference(ScriptReferenceEventArgs e) in C:\Users\Stephen\Documents\Repos\Superexpert\AjaxControlToolkit\Server\AjaxControlToolkit\ToolkitScriptManager\ToolkitScriptManager.cs:276
   System.Web.UI.ScriptManager.RegisterScripts() +261
   System.Web.UI.ScriptManager.OnPagePreRenderComplete(Object sender, EventArgs e) +117
   System.Web.UI.Page.OnPreRenderComplete(EventArgs e) +2063008
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2247	 

Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433

Posted 12-Dec-11 22:42pm

Shashidhar J K

Updated 12-Dec-11 22:54pm

v2

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Comments

Shobana16 13-Dec-11 4:44am

What is the error you got?

Shashidhar J K 13-Dec-11 4:55am

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Code 89 13-Dec-11 4:59am

check out your web config and the path which u have given..

Shashidhar J K 13-Dec-11 5:04am

k.. I'll...

Shashidhar J K 13-Dec-11 5:00am

using System.Web.UI; is unable to load Extender Class..

Code 89 13-Dec-11 5:10am

k then,without installing proper version of ajax on your machine, you can not run your application, so install the asp.net ajax, the same version which you used earlier and try again.

Shashidhar J K 13-Dec-11 5:21am

ya... it's true, then i need to install asp.net Ajax 2.0.

Thank you...

Manish.Insan 13-Dec-11 6:12am

have you add toolkit scriptmanager on the page.

Shashidhar J K 13-Dec-11 6:15am

ya, but error occurred is as shown above, its unable to load extender class.

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