private void detach_Flight_Schedules1(Flight_Schedule entity)
		{
			this.SendPropertyChanging();
			entity.Airport1 = null;
		}
		private void attach_Flight_Schedules(Flight_Schedule entity)
		{
			this.SendPropertyChanging();
			entity.Airport = this;
		}
 partial void UpdateFlight_Schedule(Flight_Schedule instance);
 partial void DeleteFlight_Schedule(Flight_Schedule instance);
 partial void InsertFlight_Schedule(Flight_Schedule instance);