?using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class Default4 : System.Web.UI.Page
{
    protected void Button1_Click(object sender, EventArgs e)
    {
      string   str = "服務器asp.net ajax得到了您輸入的信息：" + testmsg.Value + "<br/>您的IP地址是：";
        str += Request.UserHostAddress;
        str += "<br/>當前服務器的時間：";
        str += DateTime.Now.ToLocalTime();
        msg_display.InnerHtml = str;
    }
}