public ActionResult Edit(MonitorBeurtModel monitorbeurtmodel, int CampusId)
 {
     if (ModelState.IsValid)
     {
         var CampusList = db.Campus.ToList().Where(campus => campus.Id == CampusId);
         monitorbeurtmodel.Campus = CampusList.First();
         monitorbeurtmodel.Duurtijd = "50";
         db.Entry(monitorbeurtmodel).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(monitorbeurtmodel);
 }
        public ActionResult Create(MonitorBeurtModel monitorbeurtmodel, int CampusId)
        {
            if (ModelState.IsValid)
            {
                var CampusList = db.Campus.ToList().Where(campus => campus.Id == CampusId);
                monitorbeurtmodel.Campus = CampusList.First();
                db.MonitorBeurt.Add(monitorbeurtmodel);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(monitorbeurtmodel);
        }