private void btnRead_Click(object sender, EventArgs e) { lbxCal.Items.Clear(); string[] lista; using (ServiceReference1.Service2Client cliente = new ServiceReference1.Service2Client()) { try { lista = cliente.leer(); for (int i = 0; i < lista.Count <string>(); i = i + 7) { lbxCal.Items.Add(lista[i].ToString() + " " + lista[i + 1].ToString() + " " + lista[i + 2].ToString() + " " + lista[i + 3].ToString() + " " + lista[i + 4].ToString() + " " + lista[i + 5].ToString() + " " + lista[i + 6].ToString()); } } catch { MessageBox.Show("No existen registros en la base de datos"); } } }