public async Task AddTableAsync(Tables table, bool IsAvailable = false)

        {
            table.isAvailable = IsAvailable;
            if (IsBusy)
            {
                return;
            }

            IsBusy = true;
            Stolies.Clear();
            await StolyDataService.AddItemAsync(table);

            var items = await StolyDataService.GetItemsAsync(true);

            try
            {
                foreach (var item in items)
                {
                    Stolies.Add(item);
                }
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex);
            }
            finally
            {
                IsBusy = false;
            }
        }
        async Task ExecLoadItemsCommand()
        {
            if (IsBusy)
            {
                return;
            }

            IsBusy = true;
            Stolies.Clear();
            var items = await Stolyies.GetItemsAsync(true);

            try
            {
                foreach (var item in items)
                {
                    Stolies.Add(item);
                }
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex);
            }
            finally
            {
                IsBusy = false;
            }
        }
        public async Task GetTask()
        {
            if (IsBusy)
            {
                return;
            }

            IsBusy = true;
            Stolies.Clear();
            var items = await StolyDataService.GetItemsAsync(true);

            try
            {
                foreach (var item in items)
                {
                    Stolies.Add(item);
                }
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex);
            }
            finally
            {
                IsBusy = false;
            }
        }