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Using If

Using If

Using If

(OP)
I am calculating the number of days between two dates. If I at the time of data entry I don't know the second date, how do I avoid seeing the illogical number in the  calculated field ?

Can I use a radio button to activate a second field ?

RE: Using If

Your calculated field can test the date fields to see if they are blank using the IsBlank() function:

NDays = If(IsBlank(datefld1) or IsBlank(datefld2),0,datefld2 - datefld1)

Sue Sloan
http://www.xpertss.com

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