Thursday, July 7, 2011

Could not load file or assembly System.Data.Linq, Version=

  1. Make sure .NET Framework 4 is installed on IIS Server
  2. IIS5: You need to changed ASP.NET version to 4 by right clicking on the website and click properties > ASP.NET tab.
  3. IIS7: Check that Application pool is running ASP.NET 4.0 and that the website is running on that application pool


  1. make sure that you have referenced the dll

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