Ajax——XmlHttp第一個調用asp程式添加資料

Client.html 
<script language="JavaScript">
function AddDataPost(sUserId,sUserName)
{
/*
 *--------------- AddDataPost(sUserId,sUserName) -----------------
 * AddDataPost(sUserId,sUserName)
 * 功能:通過XMLHTTP添加資料.相當於Form的Method=Post.
 * 參數:sUserId,字串,發送條件.
 * 參數:sUserName,字串,發送條件.
 * 執行個體:AddDataPost(document.all.userid.value,document.all.username.value);
 *--------------- AddDataPost(sUserId,sUserName) -----------------
 */
    var oBao =  new ActiveXObject("MSXML2.XMLHTTP.3.0");
     //特殊字元：+,%,&,=,?等的傳輸解決辦法.
    //Update:2004-6-1 12:22
    //escape(sUserId),escape(sUserName);
    sUserId = escape(sUserId);
    sUserName = escape(sUserName);
    var userInfo = "userid="+sUserId+"&username="+sUserName;
    oBao.open("POST","Server.asp",false);
    oBao.setRequestHeader("Content-Type","application/x-www-form-urlencoded")
    oBao.send(userInfo);
    //清空輸入框資料.
    document.all.userid.value="";
    document.all.username.value="";
    //伺服器端處理返回的是經過escape編碼的字串.
    alert(unescape(oBao.responseText))
}
</script>
<input type="button" onclick="AddDataPost(document.all.userid.value,document.all.username.value)" value="AddDataPost"><br>
userid:<input type="text" name="userid"><br>
username:<input type="text" name="username">

Server.asp
<% @Language="JavaScript" %>
<%
function OpenDB(sdbname)
{
/*
 *--------------- OpenDB(sdbname) -----------------
 * OpenDB(sdbname)
 * 功能:開啟資料庫sdbname,返回conn對象.
 * 參數:sdbname,字串,資料庫名稱.
 * 執行個體:var conn = OpenDB("database.mdb");
 *--------------- OpenDB(sdbname) -----------------
 */
    var connstr = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source="+Server.MapPath(sdbname);
    var conn = Server.CreateObject("ADODB.Connection");
    conn.Open(connstr);
    return conn;
}
var sResult = "";
var oConn = OpenDB("data.mdb");
//相當於Form的Method=Post.
//相當於Form的Method=Post.
//特殊字元：+,%,&,=,?等的傳輸解決辦法.用戶端傳輸過來是經過escape編碼的.
//所以服用器端應該先unescape解碼.
//Update:2004-6-1 12:22
//unescape(Request.Form("userid")).....
var userid = unescape(Request.Form("userid"));
var username = unescape(Request.Form("username"));
sResult = "userid:"+userid+"\nusername:"+username+"\n 添加成功."
var sql = "Insert into users(userid,username)Values('"+userid+"','"+username+"')";
oConn.Execute(sql);
Response.Write(escape(sResult));
%>

//Data.mdb
//users [id, userid,username]