//Selecciona el Nro. del Documento public void fu_car_nro() { try { c_adm005 objTal = new c_adm005(); DataTable dt_tal = objTal._01(tb_fec_cha.Value.Year, Convert.ToInt16(cb_num_tal.SelectedValue), "CMP"); if (dt_tal.Rows.Count == 0) { MessageBoxEx.Show("Talonario en la Gestio NO encontrada", "Error"); } else { tb_nro_doc.Text = (Convert.ToInt32(((DataRow)dt_tal.Rows[0])["va_con_tad"]) + 1).ToString(); } } catch (Exception ex) { throw ex; } }