How can i make Event witch is started before the page render.

hello i want to do this :
when i open some JSP no matter from where i want to have a backing bean for this jsp that have a method that starts before the render response.
my ideas is to have a list of records from a sql server and i need a method that makes a conncetion to the sql server and add everythink in the request so when the jsp is displayed to have content.
i need example of the backingbean method paste plz.

I think you can add the sql coneection and all those initial things to the constractor of the bean which contains the variable u need in the page..
and leave the getters and setters of those variables empty..
if the DB changes frequently, you can make the scope of the bean: page scope
otherwise let it be session scope..

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How can i make Event witch is started before the page render.

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