public NieuweReservatiePage() { InitializeComponent(); rm = new ReservatieManager(new UnitOfWork(new ReservatieContext())); comboBoxVoertuig.ItemsSource = rm.getVoertuigen(); comboBoxArrangement.ItemsSource = Arrangement.GetValues(typeof(Arrangement)); comboBoxOphaalLoc.ItemsSource = Locaties.GetValues(typeof(Locaties)); comboBoxAfzetLoc.ItemsSource = Locaties.GetValues(typeof(Locaties)); comboBoxOphaalLoc.SelectedIndex = 0; comboBoxAfzetLoc.SelectedIndex = 0; }