Cannot find using System.Data.Linq

Question

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 r

Answer 1

VS Installer

The above answers didn't work for me, my problem was that I needed to add LINQ to SQL tools in Visual Studio.