%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="NETFormDemo.ashx.WebForm1" %>

!DOCTYPE html>

html xmlns="http://www.w3.org/1999/xhtml">
head >
meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
title>/title>
script type="text/javascript">

/script>
/head>
body>
form id="form1" action="submitForm.ashx" >
div>
input type="submit" value="提交" />
/div>
/form>
/body>
/html>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace NETFormDemo.ashx
{
/// summary>
/// submitForm 的摘要说明
/// /summary>
public class submitForm : IHttpHandler
{

public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
context.Response.Write("Hello World");
}

public bool IsReusable
{
get
{
return false;
}
}
}
}

!DOCTYPE html>

html xmlns="http://www.w3.org/1999/xhtml">

head>
title>/title>
script src="test1.js" type="text/javascript">/script>
script src="jquery-1.4.min.js" type="text/javascript">/script>
script type="text/javascript">
function add(url) {
var A = $("#a1").val();
var B = $("#b1").val();
$.ajax({
url: "ashx/add.ashx?i=" + A + "j=" + B,
data: {
num1: A,
num2: B
},
dataType: "html",
success: function (result) {
}
});
}
/script>
/head>

body>
form id="form1" runat="server">
input type="text" id="a1" />
input type="text" id="b1"/>
input type="button" onclick="add()"/>
label id="lb">/label>
/form>
/body>

/html>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace NETFormDemo.ashx
{
/// summary>
/// Login 的摘要说明
/// /summary>
public class Login : IHttpHandler
{

public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
int first = Convert.ToInt32(context.Request.Params["i"]);
int sec = Convert.ToInt32(context.Request.Params["j"]);

int res = first + sec;
context.Response.Write(res);
context.Response.Write("fdd ff");

}

public bool IsReusable
{
get
{
return false;
}
}


}
}