Default.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace WebApplication1
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (User.Identity.IsAuthenticated)
            {
                Response.Write("您現在是已登入狀態。");
            }
        }

        protected void btnLogout_Click(object sender, EventArgs e)
        {
            FormsAuthentication.SignOut();
            Response.Redirect(FormsAuthentication.LoginUrl);
        }
    }
}