private void Dtg_plato_SelectionChanged(object sender, SelectionChangedEventArgs e) { try { var item = dtg_plato.SelectedItem as DataRowView; if (item != null) { string Orden = item.Row[0].ToString(); string bebes = item.Row[2].ToString(); PlatoBLL bb = new PlatoBLL(); int idb = bb.Platoidbynb(bebes); int ido = Int32.Parse(Orden); bb.Alter_Plato_Despachado(ido, idb); } else { } } catch (Exception ex) { MessageBox.Show("" + ex); } }