MVC :: Views Wont Compile After Upgrade To .NET 4.0?

Apr 13, 2010

I have upgraded my project from .NET 3.5 to 4.0 and my views will no longer compile.I have a data layer that is a Linq to SQL data context in an assembly.My problem is when I pass in an entity to the model of my view and then try an enumerate a property that is an entity set of foreign key values I get a compilation error ofThe type 'System.Data.Linq.EntitySet`1' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Data.Linq, Version=4.0.0.0, Culture=neutral,ublicKeyToken=b77a5c561934e089'.I have added a reference to the project for System.Data.Linq and I can enumerate the entity sets in my controllers, it is just when trying to do it in a view I get the issue.This works fine in a .NET 3.5 project and thought I may have upgraded incorrectly but I get the same issue if I start a new project from scratch.

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