private void button_Afficher_Click(object sender, EventArgs e) { listView1.Items.Clear(); Employes emp = new Employes(); List <Employes> listEmp = emp.ListeEmployee(); foreach (Employes em in listEmp) { ListViewItem item = new ListViewItem(em.NoIdentifiant.ToString()); item.SubItems.Add(em.MPasse); item.SubItems.Add(em.NomUtil); item.SubItems.Add(em.PrenomAdmin); item.SubItems.Add(em.Categorie); listView1.Items.Add(item); } }