partial void DeleteDiscountSubEvent(DiscountSubEvent instance);
 partial void UpdateDiscountSubEvent(DiscountSubEvent instance);
	private void detach_DiscountSubEvents(DiscountSubEvent entity)
	{
		this.SendPropertyChanging();
		entity.Event = null;
	}
 partial void InsertDiscountSubEvent(DiscountSubEvent instance);
	private void attach_DiscountSubEvents(DiscountSubEvent entity)
	{
		this.SendPropertyChanging();
		entity.Discount = this;
	}