public bool UpdateUser(int userId, int cardId)
        {
            LamViecDAL lvdal = new LamViecDAL();

            return(lvdal.UpdateUser(userId, cardId));
        }
        public bool InsertUser(int userId, int cardId)
        {
            LamViecDAL lvdal = new LamViecDAL();

            return(lvdal.InsertUser(userId, cardId));
        }
        public List <int> ListUserId(int cardId)
        {
            LamViecDAL lvdal = new LamViecDAL();

            return(lvdal.SearchId(cardId));
        }