private void Archive_OnClick(object sender, RoutedEventArgs e)
 {
     SelectedOrdre.Process = 'a';
     ProcessOrderArk.SaveArk(SelectedOrdre);
 }
 private void Update_OnClick(object sender, RoutedEventArgs e)
 {
     //SelectedOrdre.ProcessDate = updateDateTime();
     Debug.WriteLine(ProcessOrderArk.SaveArk(SelectedOrdre));
 }