BKI_DichVuMatDat.NghiepVu.f320_lap_hop_dong.find_id_gd_hd C# (CSharp) Метод

        private decimal find_id_gd_hd(decimal ip_dc_id_nv)
        {
            try
            {
                US_GD_HOP_DONG v_us = new US_GD_HOP_DONG();
                DS_GD_HOP_DONG v_ds = new DS_GD_HOP_DONG();

                v_us.FillDataset(v_ds);

                string v_str_filter = "ID_NHAN_VIEN = " + ip_dc_id_nv + " AND DA_XOA = 'N'";
                DataRow[] v_dr = v_ds.GD_HOP_DONG.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;
            }
        }