Hi again,
my apologies for recurrent posting, but as I myself understand the
problem better now, I am specifying it in detail to make answering
easier.
As a repetition: We are running a Flex client with FluorineFX
remoting service on a server running .NET framework (C#). We want to
export about 1000+ items at a time to Excel, of which only a smaller
part is downloaded and displayed in the client. So, when the user
want's to pushes the export button, I see these alternatives:
1.
* a remote call which fetches all items is made. The call follows
this remoting manner
http://www.fluorinefx.com/docs/fluorine/remotinginternals.html,
i.e. FluorineFX takes care of processing HTTP requests and responses.
* Acquired data is processed in the client to html table or cvs, and
an HTTP request containing the data is generated and used with
Filereference.download(request:URLRequest)
* A aspx page on the server wraps the data into a HTTP response with
correct mime types and user is prompted to choose destination for the
file.
This approach has one great disadvantage: The data is sent three
times between the client and the server! This is why it would be
great if the file could be generated in the client alone.
2.
* a URL request is generated in the client and sent to the server
with Filereference.download without using FluorineFX, so that
generating custom response to the request in the server is possible.
Note: Normally FluorineFX generates the response, so generating
response in remoting service causes exception.
This option might not be possible at all, as user has to be
authenticated in order to use our remoting services, I suppose only
FluorineFX can access our remoting services properly.
3.
* Generate a temporary, random-name file for downloading, pass the
file name to client and let the user download the file. Remove the
file after download.
Disadvantage: File is saved on the server.
I hope you can help me better with this description. Please accept my
apologies and advice me towards the best solution.
Cheers, Ilkka
--- In flexcoders@yahoogroups.com, ilkka.kudjoi [EMAIL PROTECTED]
wrote:
Good morning,
thanks for your answers! Still I have to ask for more detailed
instructions: How can I donwload the file in Flex client? Both
Filereferencer.download and URLLoader.load require that
URLRequest.url is set to an URL, how can I generate a proper
URLRequest object in client or pass it from the server to the
client?
The problem is not about the contents of the file to be
downloaded,
but how to make the file available. Please note that our client is
using the server over FluorineFX.
BR Ilkka
--- In flexcoders@yahoogroups.com, zoltan zoltan@ wrote:
Hi,
with any type of backend you can generate files on the fly, so
they
will not
be saved in the server's filesystem and your client will still
access it
with Url/FileReference
For example check out the Simply Compatible: Tab Delimited
Format
section
here
http://www.aspnetpro.com/NewsletterArticle/2003/09/asp200309so_l/
asp200309so
_l.asp
Zoli
_
From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] On
Behalf Of ilkka.kudjoi
Sent: Wednesday, April 30, 2008 11:09 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Creating and downloading a file in client
or
alternatives
Hi,
we do have a flex application running on a server using .NET C#
over
FluorineFX. We need to export tables in Excel, so I suppose
should
create text file containing a html table and set it's mime type
to
Excel so that the file would open in Excel as default.
Is there any means of creating the file in the client and
letting
the
user download the file as it was coming from the remote server?
If
it
would be possible to create the file in client, it would be
preferable due to performance issues. Note, that I do not wan't
to
access user's file system directly, only provide the user a
dialog
where he/she can choose, where to save the file.
If this is not possible, what practice would you suggest to
handle
the case in server? So far I've googled that it should be
possible
to
create a file on the server, send the URL to the client and then
use
FileReferencer class to download the file, but I found this
solution
unpreferrable, because the file needs to be accessed only once
and
only by the current user - no-one else, so I found saving the
file
in
server's filesystem not a good choice.
I really appreciate your advice,
BR Ilkka
