Age Formula With Condition for No DOB Data

Hello Experts,  
I am using the formula pasted below to calculate the age of a person.  Unfortunately, if no DOB data is entered for a person, the report will not print, etc.  Can you advise me of how to adjust the formula to handle the condition where no DOB is entered.  

// birthday feb 29 and current year is leap year

if month({CREntityDescriptors.DateOfBirth})=2 and day({CREntityDescriptors.DateOfBirth})=29 and

day(date(year({CRArrestees.ArrestedOn}),3,1)-1)=28

then

if date(year({CRArrestees.ArrestedOn}),month({CREntityDescriptors.DateOfBirth}),
day({CREntityDescriptors.DateOfBirth})- 1) > {CRArrestees.ArrestedOn}

then year({CRArrestees.ArrestedOn})-year({CREntityDescriptors.DateOfBirth})-1

else year({CRArrestees.ArrestedOn})-year({CREntityDescriptors.DateOfBirth})

else

// birthday not feb 29 or current year is a leap year

if date(year({CRArrestees.ArrestedOn}),month({CREntityDescriptors.DateOfBirth}),
day({CREntityDescriptors.DateOfBirth})) > {CRArrestees.ArrestedOn}

then year({CRArrestees.ArrestedOn})-year({CREntityDescriptors.DateOfBirth})-1

else year({CRArrestees.ArrestedOn})-year({CREntityDescriptors.DateOfBirth})


Thank you for any help.
~Chopp
ChoppAsked:
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GJParkerConnect With a Mentor Commented:
Here is a simpler formula that will give an accurate age and handle the missing dates

WhileReadingRecords;
DateVar Birth := {CREntityDescriptors.DateOfBirth};
DateVar Arrested := {CRArrestees.ArrestedOn};

If Not IsNull({CREntityDescriptors.DateOfBirth}) Then                                  
    If (Month(Arrested) * 100) + Day(Arrested) >= (Month(Birth) *100) + Day(Birth) Then
        Year(Arrested) - Year(Birth)  
    Else
        Year(Arrested) - Year(Birth) -1

HTH
0
 
mlmccCommented:
Try this

If Not IsNull({CREntityDescriptors.DateOfBirth}) then
    your code
Else
    default age

mlmcc
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ChoppAuthor Commented:
Thank you.
I tried this method, and I receive an error message that says,
'A month number must be between 1 and 12'.

Thank you for the idea.
Any other ideas, or an alternative age formula?


~Chopp
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mlmccCommented:
WHere do you get the error?
If it is in the DATE(...) calculation then I suspect you may have some bad data

mlmcc
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James0628Commented:
The question is, if no DOB is entered, what value do you have in that field?  If it's null (no value), then mlmcc's suggestion should handle that, assuming that you don't have CR set to replace nulls with the default value.  If it's some other value, then we may need to know what that value is.

 James
0
 
ChoppAuthor Commented:
Thank you very much!
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