ASP.NET and Entity Framework in Layered Architecture - using Entity Framework for ORM only

Question

I have an ASP.NET application that uses a layered architecture e.g. presentation layer, business logic layer, data access layer.

I don\'t want to the business layer to h

Answer 1

1. If you are practical: Yes! It will avoid you double mapping work and the potential errors generated by the double mapping. (By double mapping I mean DB -> ORM and ORM -> Business logic).
2. Use TransactionScope. It's the best way to do transaction without worrying about nested transactions.