public void RegistOperation() { Console.WriteLine("Write if you want to add surgeon"); int add = Convert.ToInt32(Console.ReadLine()); string type, name; if (add == 1) { Console.Write("Name: "); name = Console.ReadLine(); Console.Write("Surname: "); string surname = Console.ReadLine(); Console.Write("Birth date: "); DateTime birth = Convert.ToDateTime(Console.ReadLine()); Console.Write("Surgery type: "); type = Console.ReadLine(); int id1 = controller.RegistSurgeon(name, surname, birth, type); Console.WriteLine("----Surgeon id = " + id1.ToString() + " ----"); } else { Console.Write("Doctor's name: "); name = Console.ReadLine(); Console.Write("Surgery type: "); type = Console.ReadLine(); } Console.Write("Operation date:"); DateTime date = Convert.ToDateTime(Console.ReadLine()); Console.Write("Payment: "); double payment = Convert.ToDouble(Console.ReadLine()); int id = controller.RegistSurgery(type, date, name, payment); Console.WriteLine("----Surgery id = " + id.ToString() + " ----"); }