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;
}