protected void Page_Load(object sender, EventArgs e){  WebRequest myrequest = WebRequest.Create("http://xxxxx/userface.jpg");  WebResponse myresponse = myrequest.GetResponse();  Stream imgstream = myresponse.GetResponseStream();  System.Drawing.Image img = System.Drawing.Image.FromStream(imgstream);  //img.Save(Server.MapPath("test.jpg"),System.Drawing.Imaging.ImageFormat.Jpeg);  MemoryStream ms = new MemoryStream();  img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);  Response.ClearContent(); //需要輸出圖象信息 要修改HTTP頭   Response.ContentType = "image/gif";  Response.BinaryWrite(ms.ToArray());}