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Error: AjaxControlToolkit requires ASP.NET Ajax 4.0 scripts. Ensure the correct version of the scripts are referenced.

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Michael Fielding
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Michael Fielding asked on 24 Jun 2010, 03:49 PM
Hi,

I am getting the above error when trying to run my application. I have AJAX Control Toolkit 3.5 April 2010 Release and RadControls for ASP.NET AJAX Q1 2010 NET3.5 installed. I am using a RadScriptManager in my MasterPage as shown below:

<body> 
    <form id="form1" runat="server">  
        <div style="text-align: center; padding-top: 5px;">  
          
            <telerik:RadScriptManager ID="RadScriptManager1" runat="server"/>  
            <telerik:RadStyleSheetManager ID="RadStyleSheetManager1" runat="server"/> 

My web.config has the following sections:
<pages> 
            <controls> 
                <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>  
                <add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>  
            </controls> 
        </pages> 
<httpHandlers> 
            <remove verb="*" path="*.asmx"/>  
            <add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>  
            <add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>  
            <add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false"/>  
            <add path="Telerik.Web.UI.WebResource.axd" type="Telerik.Web.UI.WebResource" verb="*" validate="false"/>  
        </httpHandlers> 
<httpModules> 
            <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>  
        </httpModules> 

The only solution I have found is to replace the RadScriptManager with the ToolkitScriptManager, but I then get the following error:

"Microsoft JScript runtime error: Sys.InvalidOperationException: Two components with the same id 'ctl00_ContentPlaceHolder2_RadMultiPage1' can't be added to the application."

There is only one control named RadMultiPage1 in the application.

Hope someone can help.

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Pavlina
Telerik team
answered on 24 Jun 2010, 04:16 PM
Hi Michael,

Please see this forum thread which elaborates on this matter:
http://www.telerik.com/community/forums/aspnet-ajax/general-discussions/ajax-control-toolkit-compatability.aspx#1188483

I hope this helps.

Kind regards,
Pavlina
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Michael Fielding
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answered on 24 Jun 2010, 04:17 PM
Hi Pavlina,

I have tried that solution with no success. I am definitley not using the .NET 4 versions of either AJAX or RADControls. I do not even have .NET 4 installed on my PC.

Please help.

Thanks,

Michael
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Pavlina
Telerik team
answered on 25 Jun 2010, 03:35 PM
Hello Michael,

Please read this forum post for more details about this problem.

All the best,
Pavlina
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Michael Fielding
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Pavlina
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Michael Fielding
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