how to show an image in asp.net image control using filestream class.

FileStream MyFileStream;
                    long FileSize;

                    MyFileStream = new FileStream("~/images/Avatar.jpg", FileMode.Open);
                    FileSize = MyFileStream.Length;

                    byte[] Buffer = new byte[(int)FileSize];
                    MyFileStream.Read(Buffer, 0, (int)FileSize);
                    MyFileStream.Close();

                   //Response.Write("<b>File Contents: </b>");
                    context.Response.BinaryWrite(Buffer);