void ICedts_LogRepository.SaveLog(string Action, string ClientIP, string Content, int UserID)
        {
            CEDTS_Log log = new CEDTS_Log();

            log.UserID   = UserID;
            log.LogTime  = DateTime.Now;
            log.Action   = Action;
            log.ClientIP = ClientIP;
            log.Content  = Content;
            db.AddToCEDTS_Log(log);
            db.SaveChanges();
        }