So the problem is half the app is written in classic asp and half is in asp.net. There's a PDF file (in memory) that is generated by classic asp code that I need to share with the .NET half. I thought of saving the PDF to the FS or DB, which I am pretty sure most of you wouldn't recommend because it would need to go through a very slow process of saving to IO, and then I would need to manually clean up after -- unnecessarily creating more bottlenecks and failure points.
I thought of mimicking a post from the classic asp page to .NET by using Server.Transfer or Microsoft.XMLHTTP objects, but neither exactly fits the scenario as I really do want the URL on the client side to be pointing at the .NET aspx page. So is there a simple way to manufacture a POST from classic ASP to a .NET page with a PDF file embedded?
Thanks in advance for any comments or suggestions.
-
Your best bet is probably the FS or DB considering the difficulties ASP.NET and ASP interaction. That's my "path of least resistance".
-
Somewhat of a hack, but...
Create a form in classic ASP with a field that you populate with the data from the PDF file. The action of the form would be the ASP.NET page. Something like:
<body onload="pdfsenderform.submit()"> <form name="pdfsenderform" action="pdf.aspx" method="post"> <input type="hidden" name="pdffiledata" value="<%...output your PDF data here...%>" /> </form> </body>You might need to encode the binary PDF data prior to writing it to the form field (Base64 or something).
Haoest : I ended up doing it this way. It takes some extra bandwidth but least maintenance headache.Mark Brackett : Ouch...so, instead of writing to disk you're round-tripping it to the client? I can't think of many scenarios where that would be faster....squillman : Yeah, never said it was pretty... -
Just write it to disk, store the filename in a cookie or querystring, and Response.Redirect the user. It's likely to be "fast enough" and much easier than writing a least common denominator State Server accessible over TCP to both of them - which is the only in memory way of doing I can think of.
0 comments:
Post a Comment