exec="select distinct uname from user1 where NClassid="&request.QueryString("NClassid")可以改成 exec="select * from user1 where NClassid="&request.QueryString("NClassid")&" group by uname order by id desc试试看
<% set rs=server.createobject("adodb.recordset") exec="select distinct uname from user1 where NClassid="&request.QueryString("NClassid") rs.open exec,conn,1,1 %>
set rs=server.createobject("adodb.recordset") exec="select distinct uname from user1 where NClassid="&request.QueryString("NClassid") rs.open exec,conn,1,3 你打开数据库是??