Создание потока для синхронизации с БД

       public MainWindow()
        {
            InitializeComponent();
            var entityContext = new MenuModelContainer();
            var sortedBaskets = entityContext.Baskets
                .Where(b => b.Orders.Count > 0 && b.Orders.Where(o => o.State == 0).Count() != 0)
                .OrderBy(b => b.DateCreated);
            var latestBaskets = sortedBaskets.Take(TopCount);
            var earliestBaskets = sortedBaskets.Skip(TopCount);
            ListOfEarliestBaskets.DataContext = earliestBaskets;
            ListOfLatestBaskets.DataContext = latestBaskets;
            Thread curTh=Thread.CurrentThread;
            Thread th = new Thread(new ThreadStart(myGetChanges));
            th.Start();
        }

        public void myGetChanges()
        {
            var earliestBaskets = ((IEnumerable<Basket>)ListOfEarliestBaskets.DataContext);
            var latestBaskets = ((IEnumerable<Basket>)ListOfLatestBaskets.DataContext);
            ListOfEarliestBaskets.DataContext = earliestBaskets.Where(b => b.Id != 0);
            ListOfLatestBaskets.DataContext = latestBaskets.Where(b => b.Id != 0);
            Thread.Sleep(10000);
        }

var earliestBaskets = ((IEnumerable<Basket>)ListOfEarliestBaskets.DataContext);

IEnumerable<Basket> baskets;
Action action = () => baskets = ListOfEarliestBaskets.DataContext as IEnumerable<Basket>;
Dispatcher.Invoke(action);