01.Byte[] bytes2 = br.ReadBytes((Int32)fs2.Length);
02.
03.br.Close();
04.fs2.Close();
05.
06.Response.Buffer = true;
07.Response.Charset = "";
08.Response.Cache.SetCacheability(HttpCacheability.NoCache);
09.Response.ContentType = ContentType;
10.Response.AddHeader("content-disposition", "attachment;filename="+ FileName);
11.Response.BinaryWrite(bytes2);
12.Response.Flush();
13.HttpContext.Current.ApplicationInstance.CompleteRequest();
