Missing Entity Framework Include(lambda) extension

Question

The EF OjbectSet.Include(a => a.parent) extension is unavailable. I know I could add code to mimic it, but according to EntityFramework 4 upgraded to 5, lamb

Answer 1

According to MSDN, the method is defined in the EntityFramework assembly. (in EntityFramework.dll)

You'll need to add a reference to the EntityFramework.dll DLL as well.

Afterwards, you'll need to make sure you're referencing the namespace:

using System.Data.Entity;