1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Web;
 5 using System.Web.Services;
 6 
 7 namespace FirstWebService
 8 {
 9     /// <summary>
10     /// WebService 的摘要说明
11     /// </summary>
12     [WebService(Namespace = "http://tempuri.org/")]
13     [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
14     [System.ComponentModel.ToolboxItem(false)]
15     // 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。 
16     // [System.Web.Script.Services.ScriptService]
17     public class WebService : System.Web.Services.WebService
18     {
19 
20         [WebMethod]
21         public double Sum(double num1,double num2)
22         {
23             return num1 + num2;
24         }
25 
26         [WebMethod]
27         public double Sub(double num1, double num2)
28         {
29             return num1 - num2;
30         }
31     }
32 }