private void detach_ProductListPriceHistories(ProductListPriceHistory entity)
		{
			this.SendPropertyChanging();
			entity.Product = null;
		}
 partial void UpdateProductListPriceHistory(ProductListPriceHistory instance);
 partial void DeleteProductListPriceHistory(ProductListPriceHistory instance);
 partial void InsertProductListPriceHistory(ProductListPriceHistory instance);