public void addstudentInfo(studentInfo u)
        {
            tema2psEntities entities = new tema2psEntities();

            entities.studentInfoes.Add(u);
            entities.SaveChanges();
        }
        public studentInfo getStudentInfoByID(int id)
        {
            tema2psEntities entities = new tema2psEntities();
            studentInfo     u        = new studentInfo();

            foreach (studentInfo uDB in entities.studentInfoes)
            {
                if (uDB.id == id)
                {
                    u = uDB;
                }
            }
            return(u);
        }
        public void updateclientInfo(studentInfo u)
        {
            tema2psEntities entities = new tema2psEntities();

            foreach (studentInfo uDB in entities.studentInfoes)
            {
                if (uDB.id == u.id)
                {
                    uDB.userID           = u.userID;
                    uDB.identificationNR = u.identificationNR;
                    uDB.groupNR          = u.groupNR;
                }
            }
            entities.SaveChanges();
        }