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);
        }