BKI_DichVuMatDat.NghiepVu.f330_len_luong_cho_nv.find_id_hs_lns C# (CSharp) Method

        private decimal find_id_hs_lns(decimal ip_dc_id_ma_lns, decimal ip_dc_id_muc_lns)
        {
            try
            {
                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 = " + ip_dc_id_ma_lns + " AND ID_MUC_LNS = " + ip_dc_id_muc_lns;
                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());
                }
            }
            catch (Exception v_e)
            {
                throw v_e;
            }
        }