BKI_DichVuMatDat.DanhMuc.F104_dm_loai_hop_dong_de.check_ma_loai_hd_da_ton_tai C# (CSharp) Method

        private bool check_ma_loai_hd_da_ton_tai()
        {
            US_DM_LOAI_HOP_DONG v_us = new US_DM_LOAI_HOP_DONG();
            DS_DM_LOAI_HOP_DONG v_ds = new DS_DM_LOAI_HOP_DONG();
            v_us.FillDataset(v_ds, "where ma_loai_hop_dong = N'" + m_txt_ma_loai_hop_dong.Text + "'");
            if (m_us.strMA_LOAI_HOP_DONG != m_txt_ma_loai_hop_dong.Text && v_ds.Tables[0].Rows.Count !=0)
            {
                return true;
            }
            return false;
        }