private void attach_bookings(booking entity)
		{
			this.SendPropertyChanging();
			entity.employee = this;
		}
		private void detach_bookings(booking entity)
		{
			this.SendPropertyChanging();
			entity.employee = null;
		}
		private void detach_bookings(booking entity)
		{
			this.SendPropertyChanging();
			entity.customer = null;
		}
		private void attach_bookings(booking entity)
		{
			this.SendPropertyChanging();
			entity.customer = this;
		}
 partial void Deletebooking(booking instance);
 partial void Updatebooking(booking instance);
 partial void Insertbooking(booking instance);