private static void DeleteNinja() { var keyVal = 3; Ninja ninja = null; using (var context = new NinjaContext()) { context.Database.Log = Console.WriteLine; ninja = context.Ningas.Find(keyVal); } using (var context = new NinjaContext()) { context.Database.Log = Console.WriteLine; //instead those two lines use state change //context.Ningas.Attach(ninja); //context.Ningas.Remove(ninja); context.Entry(ninja).State = EntityState.Deleted; context.SaveChanges(); } }
private static void QueryAndUpdateDisconnected() { Ninja ninja = null; using (var context = new NinjaContext()) { context.Database.Log = Console.WriteLine; ninja = context.Ningas.FirstOrDefault(); } ninja.ServedInOniwaban = !ninja.ServedInOniwaban; using (var context = new NinjaContext()) { context.Database.Log = Console.WriteLine; context.Ningas.Attach(ninja); context.Entry(ninja).State = EntityState.Modified; context.SaveChanges(); } }