private void btn_Creation_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         UcGererTournees u = new UcGererTournees(lstSite, lesCentre, ListeTournee, false);
         u.Closed += new EventHandler(galatee_OkclikcCreation);
         u.Show();
     }
     catch (Exception ex)
     {
         Message.ShowError(ex, "Erreur");
     }
 }
 private void btn_modification_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         if (dataGrid1.SelectedItem == null)
         {
             return;
         }
         UcGererTournees u = new UcGererTournees(lstSite, lesCentre, ListeTournee, (CsTournee )dataGrid1.SelectedItem, true);
         u.Closed += new EventHandler(galatee_OkclikcModification);
         u.Show();
     }
     catch (Exception ex)
     {
         Message.ShowError(ex, "Erreur");
     }
 }