How do I prevent users from entering a blank value in an Excel sheet?

Posted by Tola Odejayi on Super User See other posts from Super User or by Tola Odejayi
Published on 2010-12-23T21:19:58Z Indexed on 2010/12/23 21:56 UTC
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excel-2007

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data-validation

I want to restrict users to entering either just 0 or 1 in an Excel 2007 sheet.

I use the Data > Data Validation dialog to do this, but I'm finding that it doesn't stop them from entering blanks.

What I would like is for there to be a prompt when they enter blanks, just like the one that appears when they enter any other non-blank data that is not 0 or 1.

I plan to fill the sheet with 0s before applying the validation, so there should not be a problem with erroneous data.

Also, I'm open to using VBA to fix this problem.

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