private DS_V_DM_TRANG_THAI_LAO_DONG load_data_2_ds_v_dm_trang_thai_ld()
        {
            DS_V_DM_TRANG_THAI_LAO_DONG v_ds = new DS_V_DM_TRANG_THAI_LAO_DONG();
            US_V_DM_TRANG_THAI_LAO_DONG v_us = new US_V_DM_TRANG_THAI_LAO_DONG();

            v_us.FillDataset(v_ds);
            return v_ds;
        }
        private decimal find_id_loai_trang_thai_lao_dong(decimal ip_dc_id_trang_thai_ld)
        {
            try
            {
                US_V_DM_TRANG_THAI_LAO_DONG v_us = new US_V_DM_TRANG_THAI_LAO_DONG();
                DS_V_DM_TRANG_THAI_LAO_DONG v_ds = new DS_V_DM_TRANG_THAI_LAO_DONG();

                v_us.FillDataset(v_ds);

                string v_str_filter = "ID = " + ip_dc_id_trang_thai_ld;
                DataRow[] v_dr = v_ds.V_DM_TRANG_THAI_LAO_DONG.Select(v_str_filter);

                if (v_dr.Count() == 0)
                {
                    return -1;
                }
                else
                {
                    return CIPConvert.ToDecimal(v_dr.First()["ID_LOAI_TRANG_THAI_LD"].ToString());
                }
            }
            catch (Exception v_e)
            {
                throw v_e;
            }
        }