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Thread: expression builder

  1. #1
    eric bellingham
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    Default expression builder

    can anyone tell me where i can get help using the expression builder

    i need to come up with a previous invoice no + 1

    seems simple enough but alas

    thanks in advance

    eric bellingham

  2. #2
    "Certified" Alphaholic Stan Mathews's Avatar
    Real Name
    Stan Mathews
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    Apr 2000
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    Default RE: expression builder

    PREVIOUS
    Syntax:
    Field Value = PREVIOUS( FieldnameString)
    Description:
    Returns the Field Value of a field, referenced by its fieldname, from the
    previous record in the current primary index order. The FieldnameString must
    contain the name of a field either from the current table or from the primary
    table of a set.
    If you are working with a set, PREVIOUS returns field values only from the
    previous record in the primary table.

    You would be looking for:

    previous("invoice no")+1

    if I understand your field name, though you shoudn't have a two syllable field name. It should be invoice_no or something similar.

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