<%
sql_news="Select * From sppnews Order By id DESC"
set rs_news=conn.execute(sql_news)
if not rs_news.eof then
rs_news.movefirst
dis_mes=dis_mes & ""
do while not rs_news.eof
dis_mes=dis_mes &"<img src=images/dot.gif> <a href=display.asp?id=" & rs_news("id") & " target=_blank>" & rs_news("title") & "</a> <font size=-1>[" & rs_news("counter") & "]</font><br>"
rs_news.movenext
loop
end if
rs_news.close
response.write dis_mes
%>
中的
dis_mes=dis_mes & ""
到底是起什么作用啊?