1，前台頁面：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>無標題頁</title>
<script type="text/javascript">
var xmlHttp;
function createXMLHttpRequest()
{
if(window.ActiveXObject)
{
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if(window.XMLHttpRequest)
{
xmlHttp = new XMLHttpRequest();
}
}
function addNumber()
{
createXMLHttpRequest();
var url= "Handler.ashx?Num1="+document.getElementById("num1").value+"&Num2="+document.getElementById("num2").value;
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange=showResult;
xmlHttp.send(null);
}
function showResult()
{
if(xmlHttp.readyState==4)
{
if(xmlHttp.status==200)
{
document.getElementById("result").value=xmlHttp.responseText;
}
}
}
</script>
</head>
<body>
<div>
<input type="text" id="num1" value="7" /><br />
<input type="text" id="num2" value="8"/><br />
<input type="text" id="result" /><br />
<input type="button" name="fdfds" value="計算" onclick="addNumber();" />
</div>
</body>
</html>
2，計算頁面：
<%@ WebHandler Language="C#" Class="Handler" %>
using System;
using System.Web;
using System.Text;
public class Handler : IHttpHandler {
public void ProcessRequest (HttpContext context) {
context.Response.ContentType = "text/plain";
int result = Convert.ToInt32(context.Request.QueryString["Num1"]) + Convert.ToInt32(context.Request.QueryString["Num2"]);
context.Response.Write(result);
}
public bool IsReusable {
get {
return false;
}
}
}
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