<!doctype HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/ Xhtml1-transitional.dtd ">
<meta http-equiv= "Content-type" content= "text/html; charset=gb2312 "/>
<title>ajax level Two Linkage menu </title>
<script language= "Web Effects" >
/*--------------------------------------------------------------------
*
* Create a XMLHTTP instance
*return object is successfully created to return a XMLHTTP instance, otherwise it returns false
*
*--------------------------------------------------------------------
*/
function Createajax () {
var xmlhttp;
Try
{
XMLHTTP = new ActiveXObject ("Microsoft.XMLHTTP"); How IE is created
}
catch (E)
{
Try
{
XMLHTTP = new XMLHttpRequest (); How to create a browser such as FF
}
catch (E)
{
XMLHTTP = false; Creation failed, return false
}
}
return XMLHTTP; Return XMLHTTP Instance
}
function Getoid (IDS,SID) {
var xmlhttp = Createajax ();
var urllink = ' list10.asp?oid= ' +ids+ ' &sid= ' +sid+ ' &n= ' +math.random () + ';
if (XMLHTTP) {
Xmlhttp.open (' Get ', urllink,true);
Xmlhttp.onreadystatechange=function () {
if (xmlhttp.readystate = = 4) {//client complete request
if (Xmlhttp.status = = 200) {//server-side completes processing and returns data
var responsetext = Xmlhttp.responsetext;
if (ResponseText = = "") {//service returned the error message
Alert ("Yes");
smclass.innerhtml = ResponseText;
}else{
Alert ("No");
smclass.innerhtml = ResponseText;
}
}else{
smclass.innerhtml = ' Server returns exception ... '//server exception
}
}else{
smclass.innerhtml = ' Loading data ... '//prompting information when request is incomplete
}
}
Xmlhttp.send (null);//Send request to Server
}else{
smclass.innerhtml = ' Your browser does not support or not enable xmlhttp! '; /Create unsuccessful
}
}
</script>
<body>
</body><!--#include file= "conn.asp"-->
<%
Response.Charset = "gb2312"
Dim outstr,ors,osql
OID = Request ("OID")
SID = Request ("Sid")
if (oid = "" or IsNull (OID)) then
outstr = ""
Else
outstr = "<select name=" "Smid" ">"
outstr = outstr & "<option value=" "0" "> Do not specify small class </option>"
osql = "Select Id,otitle,opx,oid from news_cls where oid =" &oid& "
osql = osql & "ORDER by OPX ASC"
Set ors = Conn.execute (osql)
if (ors.eof and ORS.BOF) then
outstr = outstr & "<option value=" "0" "> No small Class </option>"
Else
Do as not ors.eof
If trim (SID) = Trim (ors (0)) Then
outstr = outstr & "<option value=" "&ors (0) &" "Selected>" &ors (1) & "</option>"
Else
outstr = outstr & "<option value=" "&ors (0) &" ">" &ors (1) & "</option>"
End If
Ors.movenext
Loop
End If
outstr = outstr & "</select>"
Set ors = Nothing
End If
Response.Write (OUTSTR)
' Database Tutorial Connection file
Dim mdb,conn,connstr
mdb= "Database/adsl.mdb"
Set conn = Server.CreateObject ("Adodb.connection")
ConnStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data source=" & Server.MapPath (MDB) & ""
Conn.Open ConnStr
Sub Closeconn ()
If IsObject (conn) Then
Conn.close
Set conn = Nothing
End If
End Sub' Table structure
ID otitle oid Opath ofile opx
1 Yunnan Line 0 Yunnanxianlu index.shtml 1
2 Yunnan Province Tourism 1 yunnanshenglvyou index.shtml 2
3 Domestic Tourism 1 guonalvyou index.shtml 1
4 Outbound Travel 1 chujinglvyou index.shtml 3
5 into Yunnan 0 Zoujinyunnan index.shtml 2
6 Yunnan Famous 5 Yunnantutemingchan index.shtml 1
7 Yunnan Ethnic Minority 5 Yunnanshaoshuminzu index.shtml 2
8 Yunnan 18 Strange 5 Yunnanshibaguaicha index.shtml 3
%>
SOURCE Download Address
Http://down.111cn.net/down/code/asp/2010/0927/20955.html
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