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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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Ajax

This is a migrated thread and some comments may be shown as answers.

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.

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

3 Answers, 1 is accepted