private void detach_Bookings(Booking entity)
		{
			this.SendPropertyChanging();
			entity.User = null;
		}
		private void attach_Bookings(Booking entity)
		{
			this.SendPropertyChanging();
			entity.User = this;
		}
 partial void UpdateBooking(Booking instance);
 partial void DeleteBooking(Booking instance);
 partial void InsertBooking(Booking instance);