How do I upsert a record in ADO.NET EF 4.1?

Question

I\'m trying to accomplish something really simple and I can\'t find how to do it using Entity Framework 4.1.

I want a controller method that accepts an object and

Answer 1

actually there is a way to informa db context that entity you are trying to insert is changed and now the new one

_context.MyEntity.Attach(entity);
_context.MyEntity(entity).State = System.Data.EntityState.Modified;