ScriptManager 控件调用 WebService

<script type="text/javascript" language="JavaScript">    function OnbuttonGo_click()     {        requestSimpleService = WebServiceDemo.StrToString(            document.getElementById('inputName').value,       //params            OnRequestComplete    //Complete event            );        return false;    }

    function OnRequestComplete(result) {        alert(result);    }</script>

    <asp:ScriptManager ID="ScriptManager1" runat="server">    <Services>        <asp:ServiceReference Path="~/WebServiceDemo.asmx" />    </Services>    </asp:ScriptManager>

     <input type="text" id="inputName" size=20/>     <input id="button" type="button" value="调 用" οnclick="return OnbuttonGo_click()" />

WebServiceDemo.asmx

using System;using System.Collections.Generic;using System.Web;using System.Web.Services;using System.Web.Script.Services;

[ScriptService]public class WebServiceDemo : System.Web.Services.WebService {

    public WebServiceDemo () {

        //如果使用设计的组件，请取消注释以下行         //InitializeComponent();     }

    [WebMethod]    public string StrToString(string str)    {        return "WebService输出:" + str;    }}

转载于:https://www.cnblogs.com/liyuxin/archive/2011/07/07/2100036.html