// Trying to save the selected student from the dropdown
        //[HttpPost]
        //public IActionResult Index(StudentNames sn)
        //{
        //    ViewBag.Hello = "Hello World!";
        //    string selectedStudent = Request.Form["StudentNamesList"].ToString();
        //    ViewBag.SelectedStudent = selectedStudent;
        //    return View(sn);
        //}

        public IActionResult SelectStudent(StudentNames sn)
        {
            ViewBag.SelectedStudent = sn.SelectedName;
            var position = sn.studentNames.IndexOf(sn.SelectedName); // NullReferenceException...

            ViewBag.StudentPosition = position;
            return(RedirectToAction("Index"));
        }
        public IActionResult Index()
        {
            StudentNames sn = new StudentNames
            {
                studentNames = new List <string>()
                {
                    "Benjamin", "Daveena", "Demitrius", "Elias", "Emily", "Franck", "Hyoil", "Kiran", "Paul", "Raphael", "Raven", "Taylor", "Thomas", "Tyler"
                }
            };

            ViewBag.StudentNames = sn.studentNames;
            ViewBag.Students     = _studentProvider.StudentList;
            //ViewBag.SelectedStudent = sn.SelectedName;
            //string selectedStudent = Request.Form["StudentNamesList"].ToString();
            //ViewBag.SelectedStudent = selectedStudent;
            return(View(sn));
        }