What is the best way to avoid multiple submits by pressing 'Refresh' button ?

[T Manjaly]

I have a webform, whcih accepts user inputs and saves into the database. After submit, if the user press the 'Refresh' on the browser, the page is refreshed and it saves again to database resulting in another transaction. What is the best way to avoid this multiple submits ? _____________________________________________________________________
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[MrBondo]

I would recommend having your app redirect to another page "conformation page" once the process is done. Then if they hit refresh they'd just be refreshing the do nothing conformation page. Bondo