菜鸟请教以下代码什么意思?为什么要这样?
<%if Request.QueryString("keyno")<>"" then
sql="select title from miscell where keyno="+keyno
set rss=server.createobject("adodb.recordset")
rss.Open sql,cn,1,1
if not rss.eof and not rss.bof then
do while not rss.eof
response.Write(" >> "+rss(0))
rss.movenext
loop
end if
rss.close
set rss=nothing
end if
%>