public ActionResult Create([Bind(Include = "CourseId,CourseName")] Course course)
        {
            if (ModelState.IsValid)
            {
                db.course.Add(course);
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }

            return(View(course));
        }
        public ActionResult Create([Bind(Include = "StudentId,StudentName")] Student student)
        {
            if (ModelState.IsValid)
            {
                db.student.Add(student);
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }

            return(View(student));
        }
        public ActionResult Create([Bind(Include = "AddressId,AddressDesc,StudentId")] Address address)
        {
            if (ModelState.IsValid)
            {
                db.address.Add(address);
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }

            ViewBag.StudentId = new SelectList(db.student, "StudentId", "StudentName", address.StudentId);
            return(View(address));
        }
        public ActionResult SaveStudent(Student student)
        {
            DbFile db = new DbFile();

            if (student.ID == 0)
            {
                db.student.Add(student);
                db.SaveChanges();
            }
            else
            {
                db.Entry(student).State = EntityState.Modified;
                db.SaveChanges();
            }
            return(RedirectToAction("StudentDetail"));
        }
        public ActionResult DeleteStudent(int id)
        {
            DbFile  db      = new DbFile();
            Student student = db.student.Find(id);

            db.student.Remove(student);
            db.SaveChanges();
            return(RedirectToAction("StudentDetail"));
        }