Validation should begin as close to your database as possible: in your Entity Framework entities. Here's how you can integrate validation code into both the entities the Entity Framework generates and ...

Entity Framework simplifies data access in your application by enabling you to write code to perform CRUD (Create, Read, Update and Delete) operations sans the need of interacting with the underlying ...

I'm not a big fan of what I call "aggressive code-first," where your table design is derived from your object design. And, to tell you the truth, I'm not sure I have a good reason for my skepticism.