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Business Objects: Crystal Reports 4 Other topics FAQ

Common Formulas

Excluding null values when executing distinctcount by dataprincess
Posted: 23 Jan 02

Created a formula called @Null with absolutely nothing in it and refer to it in your formula. It works! Don't know why but it does.

if {v_Detail_Report.TestType}="Functional" and {v_Detail_Report.EX}="PP"
then {v_Detail_Report.SerialNumber} else {@null}

From Ken Hamady http://www.kenhamady.com/
When I tried it the formula that referring to {@null} errored, saying that it needed a string.  So I put in "", saved the other formula, and then took the "" back out.

And, son of a gun, it worked.
That is pretty cool.

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