Is is possible to check if an object is already attached to a data context in Entity Framework?

Question

I am getting the following error when trying to attach an object that is already attached to a given context via context.AttachTo(...):

A

Answer 1

A simpler approach is:

 bool isDetached = context.Entry(user).State == EntityState.Detached;
 if (isDetached)
     context.Users.Attach(user);