partial void DeleteFlight_Schedule_Seats_and_Price(Flight_Schedule_Seats_and_Price instance);
private void detach_Flight_Schedule_Seats_and_Prices(Flight_Schedule_Seats_and_Price entity) { this.SendPropertyChanging(); entity.Travel_Class = null; }
partial void InsertFlight_Schedule_Seats_and_Price(Flight_Schedule_Seats_and_Price instance);
private void attach_Flight_Schedule_Seats_and_Prices(Flight_Schedule_Seats_and_Price entity) { this.SendPropertyChanging(); entity.Flight_Schedule = this; }