public ActionResult Edit(Questions Sessions)
 {
     Sessions.QuestionID = (int)Session["ID"];
     if (ModelState.IsValid)
     {
         db.Entry(Sessions).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Overview");
     }
     return View(Sessions);
 }
        public ActionResult SessionCreate(Questions Sessions)
        {
            int gen;

            while (true)
            {
                gen = numGen.Gen(4);

                var result = (from s in db.Questions where s.code == gen select s).Any();

                if (!result)
                    break;
            }
            Sessions.code = gen;

            db.Questions.Add(Sessions);
            db.SaveChanges();

            return RedirectToAction("Overview", new { code = Sessions.code });
        }