前台页面
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="QianBao.Dictionary.WebForm1" %> <!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 id="Head1" runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Ajax实例1</title> <script src="js/jquery.js" type="text/javascript"></script> <script type="text/javascript"> $(function () { $("#btn1").click(function () { var txtparam1 = $("#txtParam1").val(); var txtparam2 = $("#txtParam2").val(); $.ajax({ url: "WebForm1.aspx/AjaxMethod", //发送到本页面后台AjaxMethod方法 type: "POST", dataType: "json", async: true, //async翻译为异步的，false表示同步，会等待执行完成，true为异步 contentType: "application/json; charset=utf-8", //不可少 data: "{param1:'" + txtparam1 + "',param2:'" + txtparam2 + "'}", success: function (data) { $("#result").html(data.d); }, error: function () { alert("请求出错处理"); } }); }); }); </script> </head> <body> <form id="form1" runat="server"> 参数1：<input type="text" id="txtParam1" value="" /><br /> 参数2：<input type="text" id="txtParam2" value="" /><br /> <input type="button" id="btn1" value="提交" /><br /> <div id="result"> </div> </form> </body> </html>
后台
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.Services; namespace QianBao.Dictionary { public partial class WebForm1 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } //type方式必须是post，方法必须是静态的，方法声明要加上特性[System.Web.Services.WebMethod()]， //传递的参数个数也应该和方法的参数相同。 [System.Web.Services.WebMethod()] public static string AjaxMethod(string param1, string param2) { return "参数1为：" + param1 + "，参数2为：" + param2; } } }