How to persist af:table column sort state within a session?

Hi,
I have an af:table in my page with the columns sortable="true".  So when click on the header of any column, we can sort the column.  Our users have a requirement that after they do the sort by clicking one of the column headers in the af:table, then they navigate to another page in our application and then come back to this page, they want to see the same sort order of data.  How can we persist the sorting state in af:table?
Any comments are appreciated.
Thanks
-Mina

Hi,
I am not sure this is doable because the underling data collection may be changed on other views. You can use a sort listener and intercept the sort order selected by a user to persist it in the session or else where (keep in mind that using the panelCollection component you could also have a sort order that spans multiple columns). When you navigate back to the view you then have the information to order the data accordingly.
Frank

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