private void detach_PricePool(PricePool entity)
		{
			this.SendPropertyChanging();
			entity.Price = null;
		}
		private void attach_PricePool(PricePool entity)
		{
			this.SendPropertyChanging();
			entity.Price = this;
		}
 partial void UpdatePricePool(PricePool instance);
 partial void DeletePricePool(PricePool instance);
 partial void InsertPricePool(PricePool instance);