ValidCode ( Code ; Type )
Calculates the check number of various types of codes
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Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
ValidCode calculates the checknumber of 13 digit codes like EAN 13 ( European Article Number ), ISBN 13 (International Standard Book Number), ISSN 13 (International Standard Serial Number), of 12 digit code UPC A (Universal Product Code) and also of the 8 digit codes EAN 8 and UPC E. If you leave the parameter "Type" empty or input is "ISBN" or "ISSN" it calculates the check number of a 13 digit code.
Sep 16, 2013
|How do you custom edit this function to work with my table?|
Jan 7, 2014
|This function trips an Error in FileMaker 13. Code is not permitted as a parameter name. I had to rename this parameter before I could define the funciton in my database.|
Lars, Hagen / Germany
Jul 2, 2017
is there any update for the newer Filmmaker versions?
I have also the problem with type in filemaker 14
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