public ActionResult Create(Experience experience)
        {
            if (ModelState.IsValid)
            {
                db.Experiences.Add(experience);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.ProfessorID = new SelectList(db.Professors, "ProfessorID", "FirstName", experience.ProfessorID);
            return View(experience);
        }
 public ActionResult Edit(Experience experience)
 {
     if (ModelState.IsValid)
     {
         db.Entry(experience).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     ViewBag.ProfessorID = new SelectList(db.Professors, "ProfessorID", "FirstName", experience.ProfessorID);
     return View(experience);
 }