آپدیت فیلد اکسس حاوی عکس از نوع OLEDB

OleDbCoection co = new OleDbCoection();
co.CoectionString = @"provider=microsoft.jet.oledb.4.0;" + @"data source=" + Application.StartupPath + "/Mydatabase.mdb";
co.Open();

MemoryStream stream = new MemoryStream();

OleDbCommand command = new OleDbCommand("select photo2 from individuals where memnum=3", co);
byte[] image = (byte[])command.ExecuteScalar();
stream.Write(image, 0, image.Length);

Bitmap bitmap = new Bitmap(stream);
pictureBox1.Image = bitmap;
co.Close();