partial void UpdateDeal(Deal instance);
 partial void DeleteDeal(Deal instance);
 partial void InsertDeal(Deal instance);
		private void detach_Deals(Deal entity)
		{
			this.SendPropertyChanging();
			entity.Category = null;
		}
		private void attach_Deals(Deal entity)
		{
			this.SendPropertyChanging();
			entity.Category = this;
		}
		private void detach_Deals(Deal entity)
		{
			this.SendPropertyChanging();
			entity.Merchant = null;
		}
		private void attach_Deals(Deal entity)
		{
			this.SendPropertyChanging();
			entity.Merchant = this;
		}