/// <summary> Updates this instance. </summary>
        /// <returns> <c>true</c> if XXXX, <c>false</c> otherwise. </returns>
        private bool Update()
        {
            LastModUtc = DateTime.UtcNow;

            var result = DBReservations.UpdateReservation(
                ItemId,
                ItemGuid,
                ModuleId,
                ModuleGuid,
                Title,
                Description,
                ImageName,
                StartDate,
                EndDate,
                Location,
                Latitude,
                Longitude,
                LastModUserId,
                LastModUserGuid,
                LastModUtc);

            if (result)
            {
                OnContentChanged(new ContentChangedEventArgs());
            }

            return(result);
        }