OneClick publish - Any way to NOT update the MDF?

I have an app that uses OneClick to publish it. This is important so that updates auto install.

BUT, I don't want to overwrite the client's database (MDF) with the update.

How do I do that?
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KapriceAuthor Commented:
So, is the answer that there's no built-in way to avoid including a file (such as the data file) in a OneClick update?

If so, that link looks like a very good work around. I assume I run that code on startup -- prior  to loading my main form? And then I'd need to change my connection string to point to the new client folder, right?
There is a way to exclude files from ClickOnce deployment but there is no way to distinguish between first install and upgrade as far as I know. So you either exclude file from both first install and updates or you include it for both first install and update.

Yes the code will need to run at start and then you can update your connection string (which you can keep in your *.settings file).
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