public ActionResult DeleteDeviceAjax(long DeviceId)
        {
            var loginInfo = SessionLoginInfo.GetInstance(Session);
            var model     = new DeviceModel()
            {
                DeviceId       = DeviceId,
                LastUserID     = loginInfo.LoginID,
                OrganizationID = loginInfo.OrganizationID,
            };

            var bl      = DeviceModelReg.Delete(model);
            var jsonObj = new
            {
                Success = bl
            };

            return(Json(jsonObj));
        }