public FormCommandes()
        {
            InitializeComponent();
            btVoirCom.Click += (object sender, EventArgs e) =>
            {
                dgvListCom.DataSource = DAL.GetInfosCommandes(tbCodeClient.Text);
            };
            foreach (var a in DAL.GetListeClients())
            {
                lbClient.Items.Add(a.Code + " - " + a.Nom);
            }

            lbClient.SelectedValueChanged += (object sender, EventArgs e) =>
            {
                //dgvListCom.DataSource = DAL.GetInfosCommandes(lbClient.SelectedItem.ToString().Substring(0,5));
                dgvListCom.DataSource = DAL.GetInfosCommandes(lbClient.SelectedItem.ToString().Split(' ')[0]);
            };
        }