private void BtnEditShuttle_Click(object sender, RoutedEventArgs e)
        {
            var vehicle = (ResortVehicle)dtgShuttleVehicles.SelectedItem;

            // make sure a vehicle is selected
            if (vehicle == null)
            {
                MessageBox.Show("Please select a vehicle");
                return;
            }

            bool editMode         = true;
            var  createShuttleFrm = new FrmManageShuttleVehicle(this, _employee, vehicle, editMode);

            createShuttleFrm.Show();
        }
        private void BtnCreateShuttle_Click(object sender, RoutedEventArgs e)
        {
            var createShuttleFrm = new FrmManageShuttleVehicle(this, _employee, null, true);

            createShuttleFrm.Show();
        }