private void terms() { if (Request.QueryString["inv"] != "" && Request.QueryString["inv"] != null) { bl.inv_no = Request.QueryString["inv"].ToString(); int i = Convert.ToInt32(dl.slelct_vch_id_inv(bl)); DataSet ds = new DataSet(); bl.vch_id = i; ds = dl.select_inv_trm_vch(bl); if (ds.Tables[0].Rows.Count > 0) { lbl_term_condition.Text = ds.Tables[0].Rows[0]["term_condition"].ToString(); lbl_ecc_declartion.Text = ds.Tables[0].Rows[0]["e_declare"].ToString(); } } }