Esempio n. 1
0
        public bool UpdateNum(int userId, int cartId, int num)
        {
            if (userId <= 0 || cartId <= 0 || num <= 0)
            {
                return(false);
            }

            using (var cxt = DbContext(DbOperation.Write))
            {
                cxt.BeginTransaction();
                var repo = new ShoppingCartRepo(cxt);
                var flag = repo.UpdateNum(userId, cartId, num);

                if (flag)
                {
                    cxt.Commit();
                }
                else
                {
                    cxt.Rollback();
                }

                return(flag);
            }
        }