How to update entity?

Question

I had a question more detailed earlier which I had no answer, I will have the same question with a simpler way:

I have an EF database with foreign key to another table.

Answer 1

Could you do something simple like detaching the entity, then attaching it to the context when you're ready to save?

MemberManager currentMemberManager = new MemberManager();
Member NewMember = currentMemberManager.GetById(2);

The get:

public Member GetById(int id)
{ 
  var member = YourContext.Members.FirstOrDefault(m => m.id == id);
  YourContext.Detach(member);
  return member;
}

The save:

public void Save2(Member newMember)
        {
            using (var Context = new NoxonEntities())
            {
                Context.Attach(newMember);
                Context.ObjectStateManager.ChangeObjectState(newMember, EntityState.Modified);
                Context.SaveChanges();
            }
        }