public static bool Delete(Int32 productDigitalGoodId)
        {
            ProductDigitalGood productDigitalGood = new ProductDigitalGood();

            if (productDigitalGood.Load(productDigitalGoodId))
            {
                return(productDigitalGood.Delete());
            }
            return(false);
        }
 public static bool Delete(ProductDigitalGood productDigitalGood)
 {
     return(productDigitalGood.Delete());
 }