?using System;
using System.Web;
using System.Collections;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Web.Script.Services;
/// <summary>
/// Hello Word
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[ScriptService]
public class WebService : System.Web.Services.WebService {
    public WebService () 
    {
        //如果使用設計的組件，請取消注釋以下行 
        //InitializeComponent(); 
    }
    //HelloWord調用的方法
    [WebMethod]
    public string HelloWorld(string instr) {
        string str = "服務器asp.net ajax得到了您輸入的信息：" + instr  + "<br/>您的IP地址是：";
        str += System.Web.HttpContext.Current.Request.UserHostAddress;//ip
        str += "<br/>當前服務器的時間：";
        str += DateTime.Now.ToLocalTime();//時間
        return str ;
    }
}