public void Show() { newRecords.Clear(); topSellingdRecords.Clear(); topArtists.Clear(); topGenres.Clear(); int days, elem; if (topFor == "Day") { days = 1; elem = 5; } else if (topFor == "Week") { days = 7; elem = 5; } else if (topFor == "Month") { days = 30; elem = 10; } else { days = 365; elem = 10; } foreach (var item in DALService.NewRecords(days, elem)) { newRecords.Add(item); } foreach (var item in DALService.TopGenres(days, elem)) { topGenres.Add(item); } foreach (var item in DALService.TopSales(days, elem)) { topSellingdRecords.Add(item); } foreach (var item in DALService.TopArtists(days, elem)) { topArtists.Add(item); } }