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Restoring a field's default value on NULL


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Hello! I know how to get Filemaker to insert a default value into a field.

I'd like it to restore the default value if a user enters a different value and later deletes it: i.e., if the value of a field is ever null, then FM should immediately set it to the default value (maybe "unknown").

Can anyone help me out?

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Set your field up as an auto enter calc and try this

Case(not Isempty(tester);tester;"Unknown")

where tester is the name of the field you want to affect

That should display whatever is in the field or 'unknown' if someone tries to leave it empty. It will also auto enter 'unknown' into the field on creation of a record

Make sure to mark your calc as unstored

HTH

Phil

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