protected void btnGenSel_Click(object sender, EventArgs e)
    {
       string NumeroOrdine = ((Label)GrdMaster.SelectedRow.Controls[0]).Text;
       string LottoProdotto = ((Label)GrdMaster.SelectedRow.Controls[3]).Text;
    }

void GenealogiaComp_Selecting(object sender, ObjectDataSourceMethodEventArgs e)
        {
            e.InputParameters["NumeroOrdine"] = NumeroOrdine;
            e.InputParameters["LottoProdotto"] = LottoProdotto;
        }