<form name="frm" action="?add=true"  method="post">二手房 - 
<select id="s1" name="s1"><option>省份</option></select>
<select id="s2" name="s2"><option>地級市</option></select>
<select id="s3" name="s3"><option>市、縣級市、縣</option></select>
<input type=submit value="信息發(fā)布">
</form>
<%if request.QueryString("add")="true" then 
response.Write( request.Form("s1")&request.Form("s2")&request.Form("s3"))

end if%>