public void setCookies()
    {
        HttpCookie ck = new HttpCookie("loginfo");
        ck.Values.Add("username",userName);
        ck.Values.Add("userpasswd",passWd);
        ck.Values.Add("autolog",(autoLog.ToString()));
        ck.Expires = DateTime.MaxValue;
        HttpContext.Current.Response.Cookies.Add(ck);
    }
    #endregion
    #region readCookie()
    /// <summary>
    /// 读取Cookie
    /// </summary>
    /// <returns></returns>
    public void readCookie()
    {
        
        HttpCookie ck = HttpContext.Current.Request.Cookies["loginfo"];
        if (ck != null)
        {
            userName = Convert.ToString(ck.Values["username"]);
            passWd = Convert.ToString(ck.Values["userpasswd"]);
            autoLog = Boolean.Parse(ck.Values["autoLog"]);
        }
    }
    #endregion
   
}

在浏览器中存的Cookie是username=雷亚辉&userpasswd=lyh12063259&autolog=True

读出来的结果是usename 为乱码，userpasswd="",autolog=""