How to validate an optional empty textbox, Is the data valid or not - its optional... -

Posted by msfanboy on Stack Overflow See other posts from Stack Overflow or by msfanboy
Published on 2010-05-29T09:04:42Z Indexed on 2010/05/29 9:12 UTC
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Today I asked myself how can I handle user input if the user have not to enter it...

A firstname and lastname is all he must enter. The adress he needs not to fill out.

Now I have to decide, is the missing data a user mistake or didn`t the user want to enter

data?

How can I deal with such a scenario?

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