Copy Entity Framework Object

Question

I have a EF4.1 class X and I want to make copy of that plus all its child records. X.Y and X.Y.Z

Now if I do the following it returns error.

The property \'X.ID\

Answer 1

I use Newtonsoft.Json, and this awesome function.

    private static T CloneJson(T source)
    {
        return ReferenceEquals(source, null) ? default(T) : JsonConvert.DeserializeObject(JsonConvert.SerializeObject(source));
    }