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  1. #1
    Join Date
    Jul 2004

    Unanswered: Sum on formula field?

    Crystal Reports v8
    I keep running into a problem where it won't let me do a summary operation on a formula field.
    The formula is of the form:
    IF ISNULL(fielda) THEN fieldb ELSE fielda
    I need to be able to do a summary at group level and a grand total.

    Why is this not allowed?
    Any ideas how to work around it?

  2. #2
    Join Date
    Oct 2003
    What was the error you got?

    Failing to plan is Planning to fail

  3. #3
    Join Date
    Jul 2004
    I don't get an error exactly, it just wont offer the summary fucntion to me.
    If I write a fucntion that does sum, then I'll get a cannot create summary error.

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