ASP.NET 2.0 - Create PDF on Web server, stream to client, and deletre file

/// <summary>
    /// Helper function for 'FindAndStreamPdfFromServer'...
    /// Streams an eStatement Pdf from server to client machine
    /// </summary>
    /// <param name="url"></param>
    private void StreamPdfFromServer(string url, string dl_filename)
    {
        FileStream fs = null;
        byte[] bytBytes = null;
        bool success = false;
        //check if file exist
        if (File.Exists(url))
        {
            try
            {
                //if file exists open file to stream and force download on the client
                fs = File.Open(url, FileMode.Open);
                bytBytes = new byte[fs.Length];
                fs.Read(bytBytes, 0, Int32.Parse(fs.Length.ToString()));
                fs.Close();
                success = true;
            }
            catch (Exception ex)
            {
                ErrorLog.logMsg("Error : " + ex.ToString());
            }
            finally
            {
                if (fs != null)
                    fs.Close();
            }
            try
            {
                if (success && bytBytes != null && url.EndsWith("pdf"))
                {                                       
                    Response.Clear();
                    Response.ClearHeaders();
                    Response.ClearContent();
                    Response.Buffer = true;
                    Response.AddHeader("Content-Length", bytBytes.Length.ToString());
                    Response.AddHeader("Content-disposition", "attachment; filename=" + dl_filename);
                    Response.AddHeader("Expires", "0");
                    Response.AddHeader("Pragma", "cache");
                    Response.AddHeader("Cache-Control", "private");
                    Response.ContentType = "application/pdf";
                    Response.BinaryWrite(bytBytes); 
                }
                else if (success && bytBytes != null && url.EndsWith("txt"))
                {
                    Response.Clear();
                    Response.ClearHeaders();
                    Response.ClearContent();
                    Response.AddHeader("Content-disposition", "attachment; filename=" + dl_filename);
                    Response.ContentType = "application/txt";
                    Response.BinaryWrite(bytBytes);
                }
                else
                {
                    ErrorLog.logMsg("Error : FindFileAndDisplay(string url) - File:" + url + "doesn't exist");
                }
            }
            catch (Exception ex)
            {
                string temp = ex.Message;
            }
            finally
            {
                //if(File.Exists(url))
                //    File.Delete(url);
            }
        }
    }

                                  

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