private void DeleteNearBy(NearBy nearBy)
        {
            DataServiceNearBy dsNear = new DataServiceNearBy();

            dsNear.DeleteNearBy(nearBy);
            NearByList.Remove(nearBy);
        }
        private void AddNearBy()
        {
            DataServiceNearBy dsNear = new DataServiceNearBy();
            NearBy            nearBy = new NearBy();

            Tour.NearBy.Add(nearBy);
            nearBy.Tour = Tour;
            dsNear.addNearBy(nearBy);
            NearByList.Add(nearBy);
        }