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 FileMaker Pro Custom Functions

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None ( relatedField ; rFieldCount ; soughtValue )

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  Average rating: 4.5  (33 votes)
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Edwin M. Hopkins, personal, not part of any company
do not have a web site

Permits evaluation of portal contents to identify the existence of no occurrence of the desired value

Sample Input:
None ( PortalView :: Whatzit ; PoltalView :: Tally ; "main" )
where the portal displays under the Whatzit title the values "old" "near" "around the corner" "former"
Sample Output:
1 (that is to say, true)

 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


With an intuitive identity, this function evaluates a collection of related records (for instance through a portal) to determine if none of those records meet a specified criterion on the specified related record field and returns "false" for the whole collection of related records if even one matches and "true" for the whole collection of related records if none at all match. This is just as easily accomplished by not Any (), but I think None () is a bit more intuitive.

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


See my comment re your Any() function.

comment, VR
July 21, 2009 5:03pm

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