Strange caching error in exporting a report to csv (AppEx v2.0)

We have just upgraded to v2.0. I am experiencing a problem exporting a report to a csv file. I don't recall this problem in v1.6.
What happens is that what gets exported is not the report that is on the screen.
I have a report that employs a simple on-screen filter to vary the content of the report. So, for example, to begin with I select Company A. The report for Company A is displayed correctly, but when I click the Export button the csv file contains just the message "no data found". So I close the csv file and select Company B in the report filter. The report for Company B is displayed correctly. When I click the Export button the csv file shows the report for Company A. And so on...
I'm guessing that this is some kind of obscure caching problem. Does anybody have any thoughts on this?

This looks like a problem I heard many times before. I have had it as well in my reports.
If you are using page items to filter your report, you have to make sure you use a
computation for your items of type:
- select list
- radio button
- checkbox
- multi select list
and compute your items on load - before header. This means to set the items to a kind
of a default value they should have at the start. Using default values within the item
properties will not do the work. Once you set it up like that, you will have no problems
exporting your .csv.
One more thing. Exporting .csv is a standard feature of the ApEx reports. If you would
like to export directly into excel, without having to save the file and then care about
how to get it into different versions of excel, you might want to try out my package
for a direct export to excel. You will find it here for both - ApEx and XE:
http://htmldb.oracle.com/pls/otn/f?p=31517:108
http://htmldb.oracle.com/pls/otn/f?p=31517:108
Denes Kubicek

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