partial void DeleteGiftCardUsage(GiftCardUsage instance);
partial void UpdateGiftCardUsage(GiftCardUsage instance);
private void detach_GiftCardUsages(GiftCardUsage entity) { this.SendPropertyChanging(); entity.GiftCard = null; }
partial void InsertGiftCardUsage(GiftCardUsage instance);
private void attach_GiftCardUsages(GiftCardUsage entity) { this.SendPropertyChanging(); entity.GiftCard = this; }