>Hi everybody,
>
>I am wondering why would our EntityState will always be Detached?
>
>We're not using the model classes directly in our client part of the application. In our methods we use ModelView and convert model class to a ModelView through AutoMapper and back when sending changes back to the backend.
>
>Is it what makes the entities detached and so that's why we're manually setting the state to Modified?
>
>Thanks in advance.

Yes. Entities are automatically attached if they are created and returned by the object context - which wouldn't be the case if you are mapping your classes back to an EF entity.