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Editorial Team
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Asked: 2026-05-24T23:39:07+00:00

This question may be easy and the answer obvious, but I can’t seem to

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This question may be easy and the answer obvious, but I can’t seem to be able to find a solution right now.
I built an application which has a big flaw in it. In a property of my User class, I check to see if the user subscription is expired. To do this, I compare the ending date of the subscription with DateTime.Now:

return (DateTime.Compare(DateTime.Now, subEndDate) > 0);

It doesn’t take a genius user to realize that all it is needed is to change the Windows date to an earlier one, and then the application won’t expire at all. So I think that comparing to DateTime.Now should not be done, is there a better method that I could use in order to validate a subscription date?

Thanks.

Regards,

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1 Answer

  1. Editorial Team

    Call a webservice or check a database to determine if the subscription is still active

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