BKI_DichVuMatDat.NghiepVu.NhanSu.f330_lap_hop_dong_v4_detail.find_id_hs_lns C# (CSharp) Method

        private decimal find_id_hs_lns()
        {
            US_DM_HE_SO_LUONG_NS v_us = new US_DM_HE_SO_LUONG_NS();
            DS_DM_HE_SO_LUONG_NS v_ds = new DS_DM_HE_SO_LUONG_NS();

            v_us.FillDataset(v_ds);

            string v_str_filter = "ID_MA_LNS = " + m_sle_ma_lns.EditValue + " AND ID_MUC_LNS = " + m_sle_muc_lns.EditValue;
            DataRow[] v_dr = v_ds.DM_HE_SO_LUONG_NS.Select(v_str_filter);

            if (v_dr.Count() == 0)
            {
                return -1;
            }
            else
            {
                return CIPConvert.ToDecimal(v_dr.First()["ID"].ToString());
            }
        }