ASPX和Ajax结合使用的例子

浏览数：15 / 时间：2015年06月09日

<%@ Page Language="C#" 
AutoEventWireup="true" 
CodeFile="index.aspx.cs" 
Inherits="index" 
%>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>[Ajax测试]</title>
    <script type="text/javascript" 
src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            $("button").click(function () {
                $.ajax({
                    type:"post",//Must be POST
                    contentType: "application/json",//Must
                    data:"{‘name‘:‘xtyang‘,‘age‘:23}",//Response to parameters of method getReturn
                    url: "index.aspx/getReturn",
                    success: function (result) {
                        alert(result.d);//Must
                    }
                });
            });
            $(".Input").blur(function () {
                $.ajax({
                    type: "POST",
                    url: "index.aspx/getCount",
                    contentType: "application/json",
                    data: "{‘str‘:‘" 
+ $(‘.Input‘).val()+ "‘}",//notice "‘"
                    success: function (result) {
                        $(‘.ret-i‘).html("");//set the content with empty content
                        $(‘.ret-i‘).html(result.d);
                    }
                });
            });
        }
        );
    </script>
</head>
<body>
    <form id="form1" 
runat="server">
    <div>
        <button id="ajax">Test</button>
        <input type="text" 
class="Input" 
/>
    </div>
    <div class="ret-i">
    </div>
    </form>
</body>
</html>

using 
System;
using 
System.Web.Services;  //Must
 
public 
partial class 
index : System.Web.UI.Page
{
    protected 
void Page_Load(object 
sender, EventArgs e)
    {
         
    }
    [WebMethod]
 
    public 
static string 
getReturn(string 
name,int 
age)    //Must
    {
        return 
name + " is " 
+ age.ToString() + " years old";
    }
    [WebMethod]
    public 
static string 
getCount(string 
str)
    {
        if 
(str.Length < 6)
            return 
"Input is not valid";
        else
            return 
"Input is valid";
    }
     
}