/// <summary>
        /// 获取 LoginPartial 中显示的用户名
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public ActionResult GetUserName(int id)
        {
            DayUpEntities1 db   = new DayUpEntities1();
            var            name = (from na in db.UserInfo
                                   where na.id == id
                                   select na.username).FirstOrDefault();

            return(Content(name));
        }
        /// <summary>
        /// 删除用户的个人内容收藏
        /// </summary>
        /// <param name="user_id"></param>
        /// <param name="id"></param>
        /// <returns></returns>
        public ActionResult DelLike(string user_id, int id)
        {
            DayUpEntities1 db = new DayUpEntities1();
            //CollectionInfo ci = new CollectionInfo();
            //int userid = Convert.ToInt16(user_id);
            var dat = (from con in db.CollectionInfo
                       where con.id == id
                       select con).FirstOrDefault();

            if (dat != null)
            {
                db.CollectionInfo.Remove(dat);
                db.SaveChanges();
                return(Content("OK"));
            }
            return(Content("False"));
        }