async Task Sorgula(CancellationToken token) { if (token.IsCancellationRequested) { return; } TumStoklar.Clear(); OnPropertyChanged(nameof(TumStoklar)); gridView1.RefreshData(); var pred = PredicateBuilder.True <Entities.Tables.Stok>(); if (!string.IsNullOrEmpty(txtAramaMetni.Text)) { foreach (string item in txtAramaMetni.Text.Split(' ')) { if (!string.IsNullOrEmpty(item)) { pred = pred.And(x => x.StokAdi.Contains(item) || x.StokKodu.Contains(item) || x.Marka.Contains(item) || x.Uretici.Contains(item) || x.Barkod.Any(s => s.Barkodu.Contains(item)) || x.Barkodu.Contains(item)); } } } var take = 5000; var count = Math.Ceiling( Convert.ToDecimal(stokDal.StokKayitSayisi(context, pred) / Convert.ToDecimal(take))); if (token.IsCancellationRequested) { return; } for (int i = 0; i < count; i++) { if (token.IsCancellationRequested) { break; } TumStoklar.AddRange(stokDal.StokAdiylaStokGetir(context, pred, take * i, take, noTracking: true)); OnPropertyChanged(nameof(TumStoklar)); await Task.Delay(100); gridView1.RefreshData(); } }