BKI_DichVuMatDat.DanhMuc.F101_dm_don_vi_de.check_ma_don_vi_is_exist C# (CSharp) Method

        private bool check_ma_don_vi_is_exist()
        {
            US_DM_DON_VI v_us = new US_DM_DON_VI();
            DS_DM_DON_VI v_ds = new DS_DM_DON_VI();
            v_us.FillDataset(v_ds, "where ma_don_vi = N'" + m_txt_ma_dv.Text + "'");
            if (m_txt_ma_dv.Text != m_us_dm_dv.strMA_DON_VI && v_ds.Tables[0].Rows.Count !=0)
            {
                return true;
            }
            return false;
        }