how memory stream convert to binary reader save to database?

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C#

FtpWebRequest displayRequest = (FtpWebRequest)WebRequest.Create(new Uri(FileSaveUri + scorefilename));
displayRequest.Method = WebRequestMethods.Ftp.DownloadFile;
displayRequest.Credentials = new NetworkCredential(ftpUser, ftpPassWord);


try
{

FtpWebResponse response = (FtpWebResponse)displayRequest.GetResponse();
Stream Stream = response.GetResponseStream();
byte[] bytes = new byte[10240];
int i = 0;
MemoryStream mStream = new MemoryStream();

do

{
i = Stream.Read(bytes, 0, bytes.Length);
mStream.Write(bytes, 0, i);

}

while (i != 0);
Response.Clear();
Response.ClearHeaders();
Response.ClearContent();
Response.BinaryWrite(mStream.GetBuffer()); <--- i think this one i needed get convert to binary reader, but i no idea to get it.
mind think already blur, pls help .....