How to save table to file in Mobile 7.1

Hello,
We are using Mobile 7.1. We are trying to save the table context in the mobile client to the local file.
We use a FileDownload element in the screen. The FileDownload is bound to a Resource attribute which contains the table data (as well as name and type of the file).
When the user clicks on the FileDownload link, he gets an error message "Cannot open HTTP connection" with an http link that points to the file.
Do you know how can we save the table context to the client (i.e. export to excel)?
If it's impossible with FileDownload, is there a way to open a Save As dialog and write the file locally? (We don't know how to open the Save As dialog from web dynpro).
Thanks in advance,
Sergey
Edited by: Sergey Kozyrev on Dec 23, 2008 11:05 AM

Hello Narayani,
Thank you for your help. The class you gave had better results, but it's still not the solution.
What we get now is that the file opens but in an internal viewer, even though the FileDownload is set to "Allow Save".
Furthermore, the file we generate is an XML file that opens in excel, but in the internal viewer it seems like gibrish (maybe it tries to interpret it as a binary file).
How can we make it open in excel (or open the Save As dialog)?
Another question is that we used the other API for on-demand file download (instead of creating the file every time the user enters the screen we wanted it to be created only when the user clicks the link). This is possible in normal web dynpro:
[http://help.sap.com/saphelp_nw2004s/helpdata/en/42/f6ec5a09321bc7e10000000a11466f/content.htm]
Is it impossible in mobile web dynpro?
Sergey.

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