最简单的ajax调用webservice

时间：2022-04-20 22:38:02
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="TestHelloWorld.aspx.cs" Inherits="AjaxWebservice.TestHelloWorld" %>

<!DOCTYPE html>

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

<head runat="server">

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

    <title></title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

    <asp:ScriptManager ID="sm1" runat="server">

        <Services>

            <asp:ServiceReference Path="~/selfWS.asmx" />

        </Services>

    </asp:ScriptManager>

    </div>

        <script type="text/javascript">

            AjaxWebservice.selfWS.HelloWorld(OnRequestComplete);

                function OnRequestComplete(result) {

                    alert(result);

                }

    </script>

    </form>

</body>

</html>
using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Services;

namespace AjaxWebservice

{

    /// <summary>

    /// selfWS 的摘要说明

    /// </summary>

    [WebService(Namespace = "http://tempuri.org/")]

    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

    [System.ComponentModel.ToolboxItem(false)]

    // 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消注释以下行。

    [System.Web.Script.Services.ScriptService]

    public class selfWS : System.Web.Services.WebService

    {

        [WebMethod]

        public string HelloWorld()

        {

            return "Hello World";

        }

    }

}

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