I came across this just the other day (It's no use to me as I don't use Java) which may be useful to you:
http://www.adobe.com/devnet/flex/articles/file_upload.html --- In flexcoders@yahoogroups.com, "Matthew" <fume...@...> wrote: > > Hi - > > I have a Flex UI and I want to allow a user to upload an Excel file. Since > parsing Excel in Flex is quite difficult I'd rather pass it to Java (via > Blaze DS) and have Java return me a CSV file. > > But I'm doubtful that I can pass an Excel file thru Blaze. Can I? Is there > some other trickery I can use? > > Thanks for any tips. > > Matt >