how do I calculate age in years from a field containing a DOB

[John]

I'm trying to us the datedif formula but InfoPath tells me the formula
contains errors. This same formula works OK in Excel.

 

[Anuma(GGK Tech)]

Hi,

Can you verify below link
http://www.bizsupportonline.net/inf...rom-date-of-birth-infopath-rules-formulas.htm