title: EF6 how to update an object from another object (same entity but different key)
body: <p>i have two objects parent and child (the same entity) and I need to update child  object with all of properties (no key, of course) from parent, there are a lot of properties. is there a better way to execute it, Without update each field from parent to child? I tried automapper but no sucsess.
  Thanks!</p>