public void GetSites()
        {
            var siteNames = DataInFile.Select(d => d.Site);

            Sites = _repostory.DbContext().Sites.AsQueryable().Where(s => siteNames.Contains(s.Name));
        }
        public void GetClients()
        {
            var clientIds = DataInFile.Select(d => d.ClientId);

            Clients = _repostory.DbContext().Clients.AsQueryable().Where(c => clientIds.Contains(c.Id));
        }