public static byte[] Bytes(HttpPostedFileBase result)
{
    byte[] data;
    using (Stream inputStream = result.InputStream)
    {
        MemoryStream memoryStream = inputStream as MemoryStream;
        if (memoryStream == null)
        {
            memoryStream = new MemoryStream();
            inputStream.CopyTo(memoryStream);
        }
        data = memoryStream.ToArray();
    }

    return data;
}