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

If someone has more than one project, you need to install it to the projects that require it. Also what helped me was changing the default project and then installing via package manager console and that resolved it.