private void SaveBooking(Course bantyp, DateTime day, DateTime start, DateTime end) { Kund customer = GetCustomer(); Bana bana = new Bana(); bana.TypeOfCourse = bantyp; Bokning booking = new Bokning(); booking.Course = bana; booking.Customer = customer; booking.Date = day; booking.StartTime = start; booking.EndTime = end; Bookings.Add(booking); }