新建一个web服务
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.Services; 6 7 /// <summary> 8 /// WebService1 的摘要说明 9 /// </summary> 10 [WebService(Namespace = "http://tempuri.org/")] 11 [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] 12 // 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。 13 [System.Web.Script.Services.ScriptService] 14 public class WebService1 : System.Web.Services.WebService { 15 16 public WebService1 () { 17 18 //如果使用设计的组件，请取消注释以下行 19 //InitializeComponent(); 20 } 21 22 [WebMethod] 23 public string HelloWorld() { 24 return "Hello World"; 25 } 26 27 28 [WebMethod] 29 public string Welcome(string user) 30 31 { 32 33 string username = ""; 34 if (user == string.Empty) 35 { 36 username = "游客"; 37 } 38 else 39 { 40 username = user; 41 } 42 string stumsg = "谢谢【" + username + "】选择ASP.NET"; 43 return stumsg; 44 } 45 }
在default.aspx中
1 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> 2 3 <!DOCTYPE html> 4 5 <html xmlns="http://www.w3.org/1999/xhtml"> 6 <head runat="server"> 7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> 8 <title></title> 9 10 <script type="text/javascript" language="javascript" > 11 function OnBTok_click() 12 { 13 var username = document.getElementById("TextBox1").value; 14 var ws = new WebService1(); 15 ws.Welcome(username, ShowMsg); 16 } 17 18 function ShowMsg(result) 19 { 20 var strResult = result.toString(); 21 document.getElementById("divMsg").innerHTML = strResult; 22 } 23 24 </script> 25 26 </head> 27 <body> 28 <form id="form1" runat="server"> 29 <div> 30 31 <asp:ScriptManager ID="ScriptManager1" runat="server"> 32 <Services> 33 <asp:ServiceReference Path="~/WebService1.asmx" InlineScript="true" /> 34 </Services> 35 </asp:ScriptManager> 36 37 </div> 38 <div> 39 <asp:Label ID="Label1" runat="server" Text="请输入姓名"></asp:Label> 40 <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> 41 <input id="Button1" type="button" onclick="OnBTok_click();" value="查询" /> 42 </div> 43 44 <div id="divMsg"> 45 46 </div> 47 </form> 48 </body> 49 </html>