//销毁Cookies中的数据

                    if (Request.Cookies["Ticket"] != null)

                    {

                        HttpCookie mycookie;

                        mycookie = Request.Cookies["Ticket"];

                        TimeSpan ts = new TimeSpan(, , , );//时间跨度

                        mycookie.Expires = DateTime.Now.Add(ts);//立即过期

                        Response.Cookies.Remove("Ticket");//清除

                        Response.Cookies.Add(mycookie);//写入立即过期的

                        Response.Cookies["Ticket"].Expires = DateTime.Now.AddDays(-);

                    }

                    Response.Cookies["AccountId"].Expires = DateTime.Now;

                    Response.Cookies["LoginName"].Expires = DateTime.Now;

                    Response.Cookies["Password"].Expires = DateTime.Now;

                    Response.Cookies["Email"].Expires = DateTime.Now;

                    Response.Cookies["LoginMobileNum"].Expires = DateTime.Now;

                    Response.Cookies["SubSiteLoginName"].Expires = DateTime.Now;

                    Response.Cookies["SubSitePassword"].Expires = DateTime.Now;