partial void DeleteItemPricing(ItemPricing instance);
 partial void UpdateItemPricing(ItemPricing instance);
		private void detach_ItemPricings(ItemPricing entity)
		{
			this.SendPropertyChanging();
			entity.Item = null;
		}
 partial void InsertItemPricing(ItemPricing instance);
		private void attach_ItemPricings(ItemPricing entity)
		{
			this.SendPropertyChanging();
			entity.Item = this;
		}