public ActionResult ToevoegenProduct()
 {
     CategorieDbController controller = new CategorieDbController();
     ViewBag.Categorieen = controller.getListWithAllCategorieen();
     return View();
 }
 public ActionResult VoegCategorieToe()
 {
     CategorieDbController controller = new CategorieDbController();
     ViewBag.categorieList = controller.getListWithAllCategorieen();
     return View();
 }
 public ActionResult UpdateCategorie(int id)
 {
     CategorieDbController controller = new CategorieDbController();
     ViewBag.categorieList = controller.getListWithAllCategorieen();
     return View(controller.getCategorieFromId(id));
 }
 public ActionResult AlleCategorieen()
 {
     CategorieDbController controller = new CategorieDbController();
     return View(controller.getListWithAllCategorieen());
 }