Home / Community & Support / Developer Productivity Tools Forums / ASP.NET AJAX > Installer and VS Extensions > Telerik.Web.UI.dll or one of its dependencies requires a later version of the .NET Framework

• Ela

  Posted on Oct 18, 2011 (permalink)

  I have web application with target framework 3.5. When I try to add reference to Telerik.Web.UI.dll (version 2011.2.915.40) I get the following error:
  "Telerik.Web.UI.dll or one of its dependencies requires a later version of the .NET Framework than the one specified in project"
  
  If I will add the dll despite the warning I get another error during compilaton:
  "SMDiagnostics.dll or one of its dependencies is built by a runtime newer than the currently loaded runtime and cannot be loaded"
  
  Which version of Telerik.Web.UI.dll  will work with Framework 3.5?

  Reply

• Chavdar Dimitrov Chavdar Dimitrov

  Posted on Oct 20, 2011 (permalink)

  Hi Ela,
  
  The reason for getting this error is that Telerik.Web.UI.dll v. 2011.2.915.40 targets .NET 4.0.
  
  For a project that targets .NET 3.5 you should use Telerik.Web.UI.dll v. 2011.2.915.35. It can be found in the Bin35 folder in the product installation directory.
  
  I hope this helps. If you need any further assistance, do not hesitate to come back to us.
  
  Best regards,
  Chavdar,
  the Telerik team

  If you want to get updates on new releases, tips and tricks and sneak peeks at our product labs directly from the developers working on the RadControls for ASP.NET AJAX, subscribe to their blog feed now

  Reply


• Amit

  Posted on Nov 9, 2011 (permalink)

  I have web application with target framework 4.0.

  If I will use Telerik.Web.UI.dll (version 2009.3.1314.35) will it throw any error?

  Thanks In advance.

  Reply

• Chavdar Dimitrov Chavdar Dimitrov

  Posted on Nov 9, 2011 (permalink)

  Hi Amit,
  
  Since the Microsoft .NET Framework 4.0 is backward-compatible with applications that were built with the .NET Framework versions 1.1, 2.0, 3.0, and 3.5, you should not experience any problems in an application that targets Microsoft .NET Framework 4.0 and references Telerik.Web.UI.dll that targets Microsoft .NET 3.5.
  
  However, I would recommend you to use the controls that target the latest framework version in order to take advantage of the improvements and new features, introduced in this version.
  
  Best regards,
  Chavdar,
  the Telerik team

  If you want to get updates on new releases, tips and tricks and sneak peeks at our product labs directly from the developers working on the RadControls for ASP.NET AJAX, subscribe to their blog feed now

  Reply

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