void item_Click(object sender, RoutedEventArgs e)
{
selected_client = ((Client)((MenuItem)sender).Tag);
SelectedClientLabel.Content = selected_client.ToString();
NameTextBox.Text = ((MenuItem)sender).Header.ToString();
}
private void ClientList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (((ListView)sender).SelectedItem != null)
{
selected_client = ((Client)((ListView)sender).SelectedItem);
SelectedClientLabel.Content = selected_client.ToString();
}
}