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

Just for future reference, as stated in this blog post: http://blogs.msdn.com/b/aspnetue/archive/2010/05/25/response-end-response-close-and-how-customer-feedback-helps-us-improve-msdn-documentation.aspx

It is not recommended to call Response.Close() or Response.End() - instead use CompleteRequest().

Your code would look somewhat like this:

    byte[] bytes = {};

    bytes = GetBytesFromDB();  // I use a similar way to get pdf data from my DB

    Response.Clear();
    Response.ClearHeaders();
    Response.Buffer = true;
    Response.Cache.SetCacheability(HttpCacheability.NoCache);
    Response.ContentType = "application/pdf";
    Response.AppendHeader("Content-Disposition", "attachment; filename=" + anhangTitel);
    Response.AppendHeader("Content-Length", bytes.Length.ToString());
    this.Context.ApplicationInstance.CompleteRequest();