using System;
public partial class BaoGong_fjLogin : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            // 清空所有cookie
            foreach (string cookieName in Request.Cookies.AllKeys)
            {
                Response.Cookies[cookieName].Expires = DateTime.Now.AddDays(-1);
            }
        }
    }
}