private void BtnAddMaintenance_Click(object sender, RoutedEventArgs e)
        {
            if (String.IsNullOrEmpty(getTitre.Text) || String.IsNullOrEmpty(getDesc.Text) || String.IsNullOrEmpty(getFin.Text))
            {
                MessageBox.Show("Veuillez remplir tous les champs !");
            }
            else
            {
                Maintenance UneMaintenance = new Maintenance();

                UneMaintenance.Libelle     = getTitre.Text;
                UneMaintenance.Description = getDesc.Text;
                UneMaintenance.Date_Debut  = getDebut.Text = getDebut.SelectedDate.Value.ToString("yyyy/MM/dd").Replace("/", "-");
                UneMaintenance.Date_Fin    = getFin.Text = getFin.SelectedDate.Value.ToString("yyyy/MM/dd").Replace("/", "-");
                UneMaintenance.Id_Incident = this.id;
                UneMaintenance.Id_Avion    = this.idAvion;

                MaintenanceDAL AjoutMaintenance = new MaintenanceDAL();
                AjoutMaintenance.AjouterMaintenance(UneMaintenance);

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