为什么我获取不到数据,急,大家请帮忙,谢谢
ajax代码
==============================================================
var http_request=false;
function send_request(pagename)
{
http_request=false;
if (window.XMLHttpRequest)
{
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType)
{
http_request.overrideMimeType("text/xml");
}
}
else if (window.ActiveXObject)
{
try
{
http_request = new ActiveXObject("Msxml2.XMLHTTP");
}
catch(e)
{
try
{
http_request = new ActiveXObject("Microsoft.XMLHTTP");
}
catch(e)
{}
}
}
if (!http_request)
{
window.alert("XMLHttpRequest实例创建失败");
return false;
}
http_request.onreadystatechange = processrequest;
var url="ChangePage.asp?pagename="+pagename
http_request.open("GET",url,true);
http_request.send(null);
}
function processrequest()
{
if(window.XMLHttpRequest){
//xmlObj = new XMLHttpRequest();
document.getElementById('food').innerHTML = http_request.responseText;
} else if(window.ActiveXObject){
//xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
document.getElementById('food').innerHTML = http_request.responseText;
} else {
return;
}
if (http_request.readyState == 4)
{
if (http_request.status == 200)
{
document.getElementById('food').innerHTML="";
}
else
{
alert("您请求的页面有问题,请联系管理员");
}
}
}
========================================================
后台changepage.asp代码
=========================================================
<!--#include file="include/con_db.asp"-->
<!--#include file="include/inc.asp"-->
<%
pagename=checkstr(request.querystring("pagename"))
Select Case pagename
Case "msmk"
Set rs=conn.execute("select top 5 FR_ID,FR_TuijianMing from Food_Restaurant order by FR_Tuijiandu desc")
tablecontent="<table width='280' border='0' align='center' cellpadding='0' cellspacing='0' class='bluelink'>"
If Not rs.eof And Not rs.bof Then
While Not rs.eof
tablecontent=tablecontent&"<tr><td><a href='Food_Restaurant_Detail.asp?id="&Trim(rs("FR_ID"))&"' target='_blank'>"&Trim(rs("FR_TuijianMing"))&"</a><td></tr>"
rs.movenext
Wend
Else
tablecontent=tablecontent&"<tr><td>暂无数据</td></tr>"
End If
tablecontent=tablecontent&"</table>"
rs.close
response.write "tablecontent"
End Select
%>
============================================================
调用页面的代码index.asp
<span style="cursor:hand" onMouseOver="send_request('msmk');">美食美客</span>
<table><tr><td id="food"></td></tr></table>