为什么不返回值
function   cc(str)
dim   i
i=0
set   rs_l=server.CreateObject( "ADODB.RecordSet ")
sql_l= "select   *   from   t   where   id= "&str
rs_l.open   sql_l,conn,1,1
do   while   not   rs_l.eof
if   rs_l( "a ")> rs_l( "b ")   then
i=i+1  
end   if
rs_l.movenext
loop
cc=i
rs_l.close
end   function
运行后返回值为空，不知道什么原因？

------解决方案--------------------
哦
错了!!!

function cc(id)
cc = conn.Execute( "select Count(*) from t where id= " & id & " and a> b ",,&h0001)(0)
end function