private async void GetDatePayment() { DatePayments = await Task.FromResult(Houses.OrderBy(h => h.DateFrom.Day) .Select(dp => new DatePayment { Day = dp.DateFrom.Day, Address1 = dp.Address1 + " " + dp.Address4, DateFrom = dp.DateFrom, Rent = dp.Rent, LandlordName = Landlords.SingleOrDefault(l => l.Id == dp.LandlordId).Name }).ToArray()); Globals.DatePaymentSheet.datePaymentBindingSource.DataSource = DatePayments; }