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Days between two dates

garyaj
in Calculation Engine (Define Fields)

Featured Replies

Hi

I would like to be able to calculate the number of days that have passed between a new record and the previous one only and have that figure displayed in the latest record.

any advice as to the neatest way to do this?

Thanks as always.

Here is one way - Calculation (result is number);)

Case ( theDate ; theDate - GetNthRecord ( theDate ; Get ( RecordNumber ) - 1 ) )

This does not require an additional table occurrence (simply to look backwards one record) so I like it.

UPDATE: I was a bit surprised to see that this calculation still produced a result, ie, -731143, when there was not a value in theDate EVEN IF 'Do not evaluate if all referenced fields are empty' is unchecked. So it requires a test for non-empty date first.

Edited by Guest
Added update

  • Author

Hi LaRetta

Thank you for your reply. I have been an idiot and forgot to mention something...on reflection VERY important.

I only want to calculate the days between subsequently created records for records that have the same CoID.

Sorry for being an idiot. All help appreciated.

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