C # 's Response.BinaryWrite picture garbled problem

Today to learn response object, the object has a lot of output, which has a binarywrite can output pictures, but in the output of the picture began to appear garbled, and then through Baidu to solve;

Code:

FileStream stream = new FileStream (Server.MapPath ("./fff.jpg"), FileMode.Open);            Long FileSize = stream. Length;            byte[] Buffer = new byte[(int) FileSize];            Response.ContentType = "image/jpg";            Stream. Read (buffer,0, (int) FileSize);            Stream. Close ();           Response.BinaryWrite (Buffer);           Response.Write (Server.MapPath (@ "images\fff.jpg"));

Note that the red part is added later, add this sentence after the problem is resolved, another problem is Server.MapPath () assigned to the root directory, such as my project called WEB01, then the path here to

( custom project directory) \web01\web01\images\fff.jpg;

C # 's Response.BinaryWrite picture garbled problem