protected void btnImprimir_Click(object sender, EventArgs e) { clsDocumenOperacion lstDocumenOpe = new clsDocumenOperacion(); int nDopCod = 0; try { nDopCod = int.Parse(lbldopCod.Value); lstDocumenOpe.ActualizarImpresion(nDopCod); } catch (Exception ex) { MessageBox(ex.Message); } }