Server Error in '/' Application.

The assembly 'System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not contain a Web resource that has the name 'respond'. Make sure that the resource name is spelled correctly.

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.InvalidOperationException: The assembly 'System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not contain a Web resource that has the name 'respond'. Make sure that the resource name is spelled correctly.

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:


[InvalidOperationException: The assembly 'System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not contain a Web resource that has the name 'respond'. Make sure that the resource name is spelled correctly.]
   System.Web.UI.WebResourceUtil.VerifyAssemblyContainsReleaseWebResource(Assembly assembly, String releaseResourceName, Assembly currentAjaxAssembly) +320
   System.Web.UI.ScriptReference.ShouldUseDebugScript(String releaseName, Assembly assembly, Boolean isDebuggingEnabled, Assembly currentAjaxAssembly) +96
   System.Web.UI.ScriptReference.DetermineResourceNameAndAssembly(ScriptManager scriptManager, Boolean isDebuggingEnabled, String& resourceName, Assembly& assembly) +134
   System.Web.UI.ScriptReference.GetUrlFromName(ScriptManager scriptManager, IControl scriptManagerControl, Boolean zip, Boolean useCdnPath) +154
   System.Web.UI.ScriptReference.GetUrlInternal(ScriptManager scriptManager, Boolean zip, Boolean useCdnPath) +632
   System.Web.UI.ScriptReference.GetUrl(ScriptManager scriptManager, Boolean zip) +211
   System.Web.UI.ScriptManager.RegisterUniqueScripts(List`1 uniqueScripts) +212
   System.Web.UI.ScriptManager.RegisterScripts() +549
   System.Web.UI.ScriptManager.OnPagePreRenderComplete(Object sender, EventArgs e) +205
   System.Web.UI.Page.OnPreRenderComplete(EventArgs e) +138
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +8017


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0