private async void DownloadButton_Click(object sender, RoutedEventArgs e)
{
Button pickFileButton = (Button)sender;
Grid parent = (Grid)VisualTreeHelper.GetParent(pickFileButton);
FileDetail fileDetail = (FileDetail)parent.Tag;
fileDetail.IsUploadingOrDownloading = true;
CloudBlobContainer container = await AzureStorageHelper.GetBlobContainer();
Task.Run(() => DownloadBlob(container, fileDetail.FileName, fileDetail.FileId, fileDetail.FileSize));
}
