private void detach_Custom_Fields_Pricings(Custom_Fields_Pricing entity)
		{
			this.SendPropertyChanging();
			entity.Custom_Field = null;
		}
 partial void UpdateCustom_Fields_Pricing(Custom_Fields_Pricing instance);
 partial void DeleteCustom_Fields_Pricing(Custom_Fields_Pricing instance);
 partial void InsertCustom_Fields_Pricing(Custom_Fields_Pricing instance);