Tuesday, September 27, 2011

The type or namespace name 'Linq' does not exist in the namespace 'System.Data'

Last week I was creating a demo application to show some ASP.NET features when I kept getting the following error:

“The type or namespace name 'Linq' does not exist in the namespace 'System.Data'”

I had the System.Data.Linq DLL referenced in my application and verified through the Object Browser that this namespace was indeed part of this assembly. Although a very stupid error it took me some time to figure out why it wasn’t working….

I was finally able to solve the issue by adding the following line in my web.config:

<add assembly="System.Data.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>

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