private void btnValider_Click(object sender, EventArgs e) { int quantite = int.Parse(txtQuantite.Text); int id = int.Parse(listView1.SelectedItems[0].SubItems[0].Text); Passerelle.faireCommande(id, quantite); txtQuantite.Text = ""; listView1.Items.Clear(); ArrayList lesMedicaments = new ArrayList(); lesMedicaments = Passerelle.listeMedicaments(); foreach (Medicament unMedicament in lesMedicaments) // reaffiche la liste (pour mettre a jour) { string[] arr = new string[4]; ListViewItem itm; arr[0] = unMedicament.getId() + ""; arr[1] = unMedicament.getNom(); arr[2] = unMedicament.getStock() + ""; arr[3] = unMedicament.getSeuil() + ""; itm = new ListViewItem(arr); listView1.Items.Add(itm); } }