The type 'System.Data.Entity.DbContext' is defined in an assembly that is not referenced. You must add a reference to assembly 'EntityFramework 2

Question

I\'ve got one solution - the one project is class library with .edmx data model The other is asp.net web forms project.

when i start the solution I get the following e

Answer 1

Do this, it will solve the issue as it seems you have not installed Entity Framework properly or it is not working properly, Go to TOOLS > Library Package Manager > Package Manager Console in VS2012 and typed install-package EntityFramework