public ActionResult <Students> Get(int id)
        {
            IStudentSelect studentSelect = new StudentSelect(conn);
            var            student       = studentSelect.SelectAllStudent(id).FirstOrDefault();

            return(student);
        }
        public ActionResult <List <Students> > Get()
        {
            IStudentSelect studentSelect = new StudentSelect(conn);
            var            studentlist   = studentSelect.SelectAllStudent(0);

            return(studentlist);
        }