BKI_DichVuMatDat.DanhMuc.F103_dm_he_so_luong_ns_de.check_ma_muc_da_ton_tai C# (CSharp) Method

        private bool check_ma_muc_da_ton_tai()
        {
            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();
            decimal v_id_ma = CIPConvert.ToDecimal(m_sle_ma_lns.EditValue);
            decimal v_id_muc = CIPConvert.ToDecimal(m_sle_muc_lns.EditValue);
            v_us.FillDataset(v_ds, "where id_ma_lns = " + v_id_ma + "and id_muc_lns =" + v_id_muc);
            if ((m_us.dcID_MA_LNS != v_id_ma || m_us.dcID_MUC_LNS != v_id_muc) && v_ds.Tables[0].Rows.Count != 0)
            {
                return true;
            }
            return false;
        }