Crystal reports selecting record that contain empty strings or "null" -

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i have report field called jobno there records have "null" the cell value , have empty string "". there field called accntno im selecting in same selection formula.

this have tried without success in selection formula crystal reports.

{accnt.accno} = "7015" , {accnt.jobno} = "" or {accnt.jobno} isnull

any apreciated

selection formula doesn't work expected, sometimes.

i suppose work

{accnt.accno} = "7015" , ( isnull({accnt.jobno}) or {accnt.jobno} = "" )

first of put parenthesis on 'or' clause.
but, strangest thing, isnull clause must evaluated before other comparison clauses.


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