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 FileMaker Pro Custom Functions

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FirstPortalViewed ( PortalName ; FieldName;n )

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  Average rating: 4.3  (3 votes)
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David, David Bailey Architect

Determines the first fully visible portal row in a protal

Sample Input:
FirstPortalViewed ($PortalName, $FieldName;1 )
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


With filemakers tendency to reset a portal when you display a different record it is important to be able to return to the same portal. Use this function and a knowledge of how many portals are being displayed you can use the GOTO Portal by calculation to go to the record needed.'

If the function returns 8 and visible rows are 15 and total rows are 50 then the bottom row will be 8+15 or 23. Goto portal row 23 and your selection is back where you were.

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


You forgot to remove 3rd parameter in recursive call. Last line should be
Case( r > p ; n ; FirstPortalViewed(PortalName; FieldName; n+1))))

19752, Japan
March 06, 2017 4:08pm

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