private void Button_Click(object sender, System.Windows.RoutedEventArgs args)
{
BindingUtility.UpdateTextBoxBindingSources(this);
_workItem.BeginLogin();
}
private void ConnectClicked(object sender, System.Windows.RoutedEventArgs e)
{
BindingUtility.UpdateTextBoxBindingSources(this);
_workItem.BeginLoadInstances();
}