Does Entity Framework support circular references?

Question

I have two entities in parent/child relationship. In addition, parent contains a reference to a \"main\" child, so the simplified model looks like this:

clas         


        

Answer 1

No, it's supported. Try it with a GUID key or an assignable sequence. The error means exactly what it says it does: The EF can't figure out how to do this in one step. You can do it in two steps, though (two calls to SaveChanges()).