button click for a control gets processed on each postback

I have a user control with a button on it.

The user control is on a web form.

When I click on the button for the user control, the click event fires.

But then, if I simply refresh the browser page (without clicking that button) the event for the button fires (as if I had clicked it).

How can I prevent this behavior?
Tom KnowltonWeb developerAsked:
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Kaushal AroraTechnical AnalystCommented:
You cannot prevent that event. but you can check on that event like if the values submitted on the button click is already present in the DB or not.

Hope it helps.

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NavneetSoftware EngineerCommented:

That  the way it is. When you load the page again / refresh it, the entire page cycle gets fired again.You can at the most Popup the alert to the user prompting whether he want's to really refresh again
with OK CANCEL option.

Tom KnowltonWeb developerAuthor Commented:
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