public ActionResult Edit([Bind(Include = "CourseId,CourseName")] Course course)
 {
     if (ModelState.IsValid)
     {
         db.Entry(course).State = EntityState.Modified;
         db.SaveChanges();
         return(RedirectToAction("Index"));
     }
     return(View(course));
 }
 public ActionResult Edit([Bind(Include = "StudentId,StudentName")] Student student)
 {
     if (ModelState.IsValid)
     {
         db.Entry(student).State = EntityState.Modified;
         db.SaveChanges();
         return(RedirectToAction("Index"));
     }
     return(View(student));
 }
 public ActionResult Edit([Bind(Include = "AddressId,AddressDesc,StudentId")] Address address)
 {
     if (ModelState.IsValid)
     {
         db.Entry(address).State = EntityState.Modified;
         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"));
        }