private static void CreateDatabase2() { using (var context = new Payments2Context()) { context.Database.EnsureCreated(); context.Payments.Add(new CashPayment { Amount = 0.2M, Name = "Donald" }); context.Payments.Add(new CashPayment { Amount = 100000M, Name = "Scrooge" }); context.Payments.Add(new CreditcardPayment { Amount = 500, Name = "Gladstone", CreditcardNumber = "08154711123" }); int changed = context.SaveChanges(); Console.WriteLine($"changed {changed} records"); } }
private static void Query2() { using (var context = new Payments2Context()) { var payments = context.Payments.ToList(); foreach (var payment in payments) { Console.WriteLine($"{payment.Name} {payment.Amount} {payment.GetType().Name}"); } Console.WriteLine(); Console.WriteLine("just the creditcard payments"); foreach (var payment in context.Payments.OfType <CreditcardPayment>()) { Console.WriteLine($"{payment.Name} {payment.Amount} {payment.GetType().Name}"); } } }