public ActionResult AlleHerstellingenVanTechnicus(int id)
 {
     var db = new HerstellingService();
     return View("Index",db.GetHerstellingenTechnicus(id));
 }
 public ActionResult AlleHerstellingenVanKlant(int? id)
 {
     var db = new HerstellingService();
     return View("Index",db.GetHerstellingenKlant(id));
 }