<%
set conn=server.createobject("adodb.connection")
conn.open "...."
sql="select * from table"
set rs=server.createobject("adodb.recordset")
rs.open sql,conn,1,1
rs.find "name='" & request("name") & "'"
if rs.eof and rs.bof then
'用户名不存在
else
'用户名存在
end if
%>