public ActionResult CreateFilmscreening(Filmscreenings screenings)
 {
     screenings.Activities.typeActivity = 1;
     screenings.activityId = screenings.Activities.id;
     if (ModelState.IsValid)
     {
         screenings.Activities.typeActivity = 1;
         screenings.activityId = screenings.Activities.id;
         try {
             activitiesRepo.SaveFilmScreening(screenings);
             return(RedirectToAction("Index"));
         }
         catch
         {
             return(HttpNotFound());
         }
     }
     //viewbag moet weer opniew worden gevuld
     FillFilmscreeninsDropdownsWithSecection(screenings.roomId, screenings.filmId);
     return(View(screenings));
 }