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 FileMaker Pro Custom Functions

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DateRangeVal( LowDate ; HighDate )

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  Average rating: 4.4  (28 votes)
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Alex Babkov, Real Evolution

Date Range Validation

Sample Input:
DateRangeVal( "15/10/07" ; "17/10/06" )
Sample Output:

 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed


Checks that datefields are valid first then checks that High date is actually higher than Low Date.

I made this because i let my users report over a date range. So i present a custom dialog and use this as a pre-script sort of thing.

Edit: I posted this CF ages and ages ago, and the 20 lines of code didn't really seem to do much. Anyway, I suppose it's still useful for validating text based date input.

Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it


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