showing pdf in asp.net page

private void ReadPdfFile()
    {
        string path = @"c:\test.pdf";
        WebClient client = new WebClient();
        Byte[] buffer =  client.DownloadData(path);

        if (buffer != null)
        {
            Response.ContentType = "application/pdf";
            Response.AddHeader("content-length",buffer.Length.ToString());
            Response.BinaryWrite(buffer);
        }

    }