private static void MostrarInsert() { var awe = new AdventureWorksEntities(new Uri("http://localhost:20708/AWDataService.svc/")); var c = new Contato { Nome = "Chico", Sobrenome = "Medonho", rowguid = Guid.NewGuid(), PasswordHash = "dg13423423", PasswordSalt = "azfvsrd", ModifiedDate = DateTime.Now }; awe.AddObject("Contatos", c); awe.SaveChanges(); Console.WriteLine("código: {0}", c.ContactID); }