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c# - Cannot find using System.Data.Linq

I'm using C#, EF 4 in asp.net 4 and VS 2010.

I'm trying to load namespace System.Data.Linq with this code using System.Data.Linq and I receive this error:

Error 2 The type or namespace name 'Linq' does not exist in the namespace 'System.Data' (are you missing an assembly reference?)

Any idea what I'm doing wrong.

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Right click your solution/project. Click Add Reference and search for System.Data.Linq and add the reference there and it should compile.


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