Reading a binary file and using Response.BinaryWrite()

Question

I have an app that needs to read a PDF file from the file system and then write it out to the user. The PDF is 183KB and seems to work perfectly. When I use the code at th

Answer 1

Since you're sending the file directly from your filesystem with no intermediate processing, why not use Response.TransmitFile instead?

Response.Clear();
Response.ContentType = "application/pdf";
Response.AddHeader("Content-Disposition",
    "attachment; filename=\"" + Path.GetFileName(path) + "\"");
Response.TransmitFile(path);
Response.End();

(I suspect that your problem is caused by a missing Response.End, meaning that you're sending the rest of your page's content appended to the PDF data.)