ASP.NET小技巧---注销

        Session.Abandon();//删除存储在session中的对像，并释放这些资源
        //以下为清空页面缓存
        Response.Buffer = true;
        Response.ExpiresAbsolute = DateTime.Now.AddDays(-1);  
        Response.Expires = 0;
        Response.CacheControl = "no-cache";
        Response.AddHeader("Pragma","no-cache");
       //跳转
        Response.Redirect("注销后的页面.aspx");