I got a overwhelming response for my post , CRUD Operations using Ado.net Entity Framework. Continuing further on this I wanted to show some advanced features of ado. net entity framework. In this post I discuss about how you can do CRUD Operations on master details tables. Perform some business validation rules using Entity Framework partial classes both at the field level as well as on the record level. Sounds interesting then continue read on. This post is the Part two of Entity Framework. I strongly recommend all the readers to read the Part one post before.