private void Btn_ajouter_Click(object sender, RoutedEventArgs e) { VilleController a = new VilleController(); if (Action == "add") { a.InsertVille(txt_Ville.Text, cmb_Pays.SelectedItem as Pay); } else { a.ModifyVille(Id, txt_Ville.Text, cmb_Pays.SelectedItem as Pay); } Close(); }