private async void UploadBtn_Click(object sender, RoutedEventArgs e) { List <Faculty> list = new List <Faculty>(); var picker = new Windows.Storage.Pickers.FileOpenPicker(); picker.ViewMode = Windows.Storage.Pickers.PickerViewMode.List; picker.FileTypeFilter.Add(".csv"); var file = await picker.PickSingleFileAsync(); using (CsvFileReader csvReader = new CsvFileReader(await file.OpenStreamForReadAsync())) { CsvRow row = new CsvRow(); while (csvReader.ReadRow(row)) { if (row.Count >= 4) { list.Add(new Faculty(row[0], row[1], row[2], row[3])); } } } AzureStorageHelper.AddFacultyList(list); }