>Thank you for your reply. I actually started to develop a method to store the filters index in a SQL Server. Seems like a lot of trips to the server in order to get and set filter values... What would be the advantage of using Session State?
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>Daniel

Session state is saved within the user's state. I don't have a complete understanding of what goes on under the hood, but I believe that the session state is serialized and contained within the HTML of the page. I would recommend doing a search on it and reading a bit about it.