Asp.net reads images from the database

/**/ ///   <Summary>
/// Processed to obtain the thumbnail
///   </Summary>
///   <Param name = "Ms"> </param>
///   <Param name = "height"> </param>
///   <Returns> </returns>
Private   Byte [] Lessonpicautowidth (memorystream MS, Int Height)
{
Byte [] Chagedbyte;
System. Drawing. Image originalimage = System. Drawing. image. fromstream (MS, True );
System. Drawing. Bitmap originalpic, newpic;
Originalpic =   New System. Drawing. Bitmap (originalimage );

Int Width = Height * Originalpic. Width / Originalpic. height;

If (Width >   280 )
{
Width= 280;
}

Newpic =   New Bitmap (originalpic, width, height );
Memorystream newms =   New Memorystream ();
Newpic. Save (newms, system. Drawing. imaging. imageformat. JPEG );
Chagedbyte = Newms. getbuffer ();
Originalpic. Dispose ();
Newpic. Dispose ();
Newms. Close ();

Return Chagedbyte;
}

/**//// <Summary>
///Show Image
/// </Summary>
/// <Param name = "employeeid"> </param>
Public   Void Getphoto ( String Employeeid, Int Height)
{
Bitmap BMP;
Byte [] Photobyte;
String Cnstr;
String SQL;
Cnstr =   " Data Source = localhost; database = northwind; uid = sa; Pwd = 123 " ;
SQL =   " Select photo from employees where emplyeeid = "   + Employeeid;

Using (Sqlconnection CN =   New Sqlconnection (cnstr ))
{
Using (Sqlcommand cmd = CN. createcommand ())
{
CN. open ();
Cmd. commandtext = SQL;
Using (Sqldatareader Reader = Cmd. executereader (commandbehavior. sequentialaccess ))
{
Reader. Read ();
Photobyte=(Byte[]) Reader. getvalue (0);
}
}
}
If (Photobyte =   Null   | Photobyte. Length =   0 ) Return ;

Memorystream tempstream= NewMemorystream (photobyte );
Photobyte = Lessonpicautowidth (tempstream, height );
BMP =   New Bitmap (tempstream );

Response. contenttype =   " Image/GIF " ;
BMP. Save (response. outputstream, system. Drawing. imaging. imageformat. GIF );
Response. End ();
}