BKI_DichVuMatDat.DanhMuc.F102_dm_bao_hiem_de.check_ma_bh_da_ton_tai C# (CSharp) Method

        private bool check_ma_bh_da_ton_tai()
        {
            US_DM_BAO_HIEM v_us = new US_DM_BAO_HIEM();
            DS_DM_BAO_HIEM v_ds = new DS_DM_BAO_HIEM();
            v_us.FillDataset(v_ds, "where ma_bh = N'" + m_txt_ma_bao_hiem.Text + "'");
            if (m_us.strMA_BH != m_txt_ma_bao_hiem.Text && v_ds.Tables[0].Rows.Count != 0)
            {
                return true;
            }
            return false;
        }