private void uxFileDelete_Click(object sender, RoutedEventArgs e)
 {
     App.DeviceRepository.Remove(selectedDevice.DeviceInventoryId);
     selectedDevice = null;
     DeviceList(selectedDeviceType);
 }
 private void uxDeviceList_SelectionChanged(object sender, SelectionChangedEventArgs e)
 {
     selectedDevice = (Models.DeviceModel)uxDeviceList.SelectedValue;
     PopulateFilterMenu();
 }