private void EndMaintenance_Click(object sender, RoutedEventArgs e)
        {
            Maintenance RecupMaintenance = dataGrid.SelectedItem as Maintenance;

            MaintenanceDAL FinishMaintenance = new MaintenanceDAL();

            FinishMaintenance.TerminerMaintenance(RecupMaintenance);

            this.NavigationService.Navigate(new GestionMaintenance());
        }