public bool ImportUsers()
        {
            int totalCount = 0;

            if (LocatingServiceUtil.IsAvailable())
            {
                IServiceApi   serviceApi = LocatingServiceUtil.Instance <IServiceApi>();
                GeneralResult gr         = serviceApi.LoadHostInfo();
                CulpritRoomReference.RemoveCaching();
                if (!gr.Suceess)
                {
                    throw new Exception(gr.ErrText);
                }
            }
            return(true);
        }