public DataTable CreateId(string flag)
        {
            try
            {

                AutoIdGenerateDAL autoId = new AutoIdGenerateDAL();
                LumexDBPlayer db = LumexDBPlayer.Start();
                DataTable dt = autoId.CreateId(db, flag);
                db.Stop();
                return dt;
            }
            catch (Exception)
            {

                throw;
            }
        }