jQuery.ajax()调用asp.net后台方法

利用JQuery的$.ajax()可以很方便的调用asp.net的后台方法。介意方法名不要重名

建一个WebFormAjax名aspx文件

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebFormAjax.aspx.cs" Inherits="WebFromTest.WebFormAjax" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">    
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <script src="Scripts/jquery-1.7.1.js"></script>
    <script src="Scripts/jquery-1.7.1.min.js"></script>
    <title></title>
    <script type="text/javascript">
        $(document).ready(
       function () {

           $("#btnClick").bind("click", function () {
               $.ajax({
                   type: "post",
                   url: "WebFormAjax.aspx/ajaxTest0",
                   contentType: "application/json; charset=utf-8",
                   dataType: "json",
                   success: function (data) {
                       $("#msg").css("color", "#0000FF").html(data.d);
                   },
                   error: function (err) {
                       $("#msg").css("color", "#FF0000").html("access faield:" + err);
                   }
               });
               return false;
           });

           $("#Button1").bind("click", function () {
               var add = $("#txtAddress").val();
               var txtname = $("#txtName").val();
               $.ajax({
                   type: "post",
                   url: "WebFormAjax.aspx/ajaxTest",
                   data: "{'address':'" + add + "','name':'" + txtname + "'}",
                   contentType: "application/json; charset=utf-8",
                   dataType: "json",
                   success: function (data) {
                       $("#msg1").css("color", "#0000FF").html(data.d);
                   },
                   error: function (err) {
                       $("#msg1").css("color", "#FF0000").html("access faield:" + err);
                   }
               });
               return false;
           });

           $("#Button2").bind("click", function () {
               var add = $("TextBox1").val();
               var name = $("TextBox2").val();
               $.ajax({
                   type: "post",
                   url: "WebFormAjax.aspx/ajaxTestList",
                   data: "{'address':'" + add + "','name':'" + name + "'}",
                   contentType: "application/json; charset=utf-8",
                   dataType: "json",
                   success: function (data) {
                       $("#msg2").html("");
                       $(data.d).each(function () {
                           $("#msg2").append("<li>" + this + "</li>");
                       });
                       $("#msg2").css("color", "#0000ff");
                   },
                   error: function (err) {
                       $("#msg").css("color", "#FF0000").html("access faield:" + err);
                   }
               });
               return false;
           });

           $("#Button3").bind("click", function () {
               var add = $("#TextBox3").val();
               var txtname = $("#TextBox4").val();
               $.ajax({
                   type: "post",
                   url: "WebFormAjax.aspx/SortedList",
                   data: "{'address':'" + add + "','name':'" + txtname + "'}",
                   contentType: "application/json; charset=utf-8",
                   dataType: "json",
                   success: function (data) {
                       $("#msg3").html("");

                       //这里只取部分键、值显示
                       $("#msg3").append("<li>" + data.d["0_key"] + "</li>");
                       $("#msg3").append("<li>" + data.d["1_key"] + "</li>");
                       $("#msg3").append("<li>" + data.d["2_key"] + "</li>");
                       $("#msg3").append("<li>" + data.d["_key"] + "</li>");


                       $("#msg3").css("color", "#0000FF");
                   },
                   error: function (err) {
                       $("#msg3").css("color", "#FF0000").html("access faield:" + err);
                   }
               });
               return false;
           });
           
           $("#Button4").bind("click", function () {
               $.ajax({
                   url: "xml/XMLFile1.xml",
                   dataType: "xml",
                   success: function (xmlData) {
                       $("#msg4").html("");
                       $(xmlData).find("books>book").each(function () {
                           $("#msg4").append("====new book====");
                           $("#msg4").append("<li>name:" + $(this).find("name").text() + "</li>");
                           $("#msg4").append("<li>author:" + $(this).find("author").text() + "</li>");
                           $("#msg4").append("<li>wordCount:" + $(this).find("wordCount").text() + "</li>");
                           $("#msg4").append("<li>price:" + $(this).find("price").text() + "</li>");
                       });
                       $("#msg4").css("color", "#0000FF");
                   },
                   error: function (err) {
                       $("#msg4").css("color", "#FF0000").html("access faield:" + err);
                   }
               });
               return false;
           });
           //
       });

    </script>
</head>
<body>
    <form id="form1" runat="server">
  <div>
        <asp:Button ID="btnClick" runat="server" Text="click me" OnClick="btnClick_Click" />
        <br />
        <span id="msg"></span>
 </div>
        <!--参数-->
        <div>
        <asp:Button ID="Button1" runat="server" Text="click me" />
        address:<asp:TextBox ID="txtAddress" runat="server"></asp:TextBox>
        family name:<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
        <br />
        <span id="msg1"></span>
        </div>

         <!--列表-->
        <div>
        <asp:Button ID="Button2" runat="server" Text="click me" />
        address:<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        family name:<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
        <br />
        <ul id="msg2">
        </ul>
             <!--SortedList列表-->
            <div>
        <asp:Button ID="Button3" runat="server" Text="click me" />
        address:<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
        family name:<asp:TextBox ID="TextBox4" runat="server"></asp:TextBox>
        <br />
        <ul id="msg3">
        </ul>
                  <!--XML列表-->
                <div>
        <asp:Button ID="Button4" runat="server" Text="click me" />
        address:<asp:TextBox ID="TextBox5" runat="server"></asp:TextBox>
        family name:<asp:TextBox ID="TextBox6" runat="server"></asp:TextBox>
        <br />
        <ul id="msg4">
        </ul>
</div>
</div>
</div>
    </form>
</body>
</html>

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 WebFromTest
{
    public partial class WebFormAjax : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }
        [WebMethod]
        public static string ajaxTest0()
        {
            return "Hi,Welcome to China!";
        }
        [WebMethod]
        public static string ajaxTest(string address, string name)
        {
            return "Hi," + address + " " + name;
        }
        [WebMethod]
        public static List<string> ajaxTestList(string address, string name)
        {
            List<string> list = new List<string>();
            for (int i = 0; i < 10; i++)
            {
                list.Add("Hi:" + i.ToString());
            }
            list.Add("Hi:" + address + " " + name);
            return list;
        }

        [WebMethod]
        public static SortedList<string, string> SortedList(string address, string name)
        {
            SortedList<string, string> sl = new SortedList<string, string>();
            for (int i = 0; i < 10; i++)
            {
                sl.Add(i.ToString() + "_key", i.ToString() + "_value");
            }
            sl.Add("_key", "_value " + address + " " + name);
            return sl;
        }
        protected void btnClick_Click(object sender, EventArgs e)
        {

        }
    }
}

jQuery.ajax()调用asp.net后台方法

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