?using System;
using System.Data;
using System.Configuration;
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 _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
       　//獲取當地時間
        Literal1.Text = DateTime.Now.ToString();
        if (Cache["LastAccess"] != null)
        {
         //獲取緩存時間
            Literal2.Text = Cache["LastAccess"].ToString();
        }
        
    }
    protected void SqlDataSource_Selected(object sender, SqlDataSourceStatusEventArgs e)
    {
        //當重新獲取數據時，顯示當前時間
        Literal2.Text = DateTime.Now.ToString();
        //進行時間戳的緩存
        Cache["LastAccess"] = System.DateTime.Now.ToString();
    }
}