public ViewCurrentDeliveriesPage()
        {
            InitializeComponent();

            //check if user has permission to add deliveries
            if (!LoginService.Instance.currentUser.IsAddDeliveryAllowed)
            {
                addDeliveryButton.Visibility = Visibility.Hidden;
            }

            //setting DataContext
            dataContext = new ViewCurrentDeliveriesVVM();
            DataContext = dataContext;
        }
        public ViewCurrentDeliveriesView()
        {
            InitializeComponent();

            //check if user has permission to add deliveries
            if (!LoginService.Instance.currentUser.IsAddDeliveryAllowed)
            {
                addDeliveryButton.Visibility = Visibility.Hidden;
            }

            //setting DataContext
            dataContext = new ViewCurrentDeliveriesVVM();
            DataContext = dataContext;

            MessageBox.Show(CurrentDeliveriesList.ItemsSource.ToString());
            CurrentDeliveriesList.SelectedIndex = 0;
        }