protected bool Equals(Promotion entity)
{
if (entity == null) return false;
if (!base.Equals(entity)) return false;
return true;
}
public Promotion Add(Promotion data)
{
PromotionDao.Add(data);
return data;
}
public void Delete(Promotion data)
{
PromotionDao.Delete(data);
}
public void Update(Promotion data)
{
PromotionDao.Update(data);
}