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Use same formula with different fields as input

Posted on 2012-09-05
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Last Modified: 2012-09-10
In a Crystal Report using Visual Studio 2008, I need to do the same formula calculation using two different data fields. The result is fed to another formula. Is there a way to specify which field I want to process as an argument to the formula, or am I stuck with having two virtually identical formulas, each hardcoded with the correct input field?

I've seen a couple of online references to a Function keyword, but I can't figure out how to use it. I tried to create a simple formula of:

Function (DateVar StartDate)
Month (StartDate)

When I try to save the formula, CR reports back: "The remaining text does not appear to be part of the formula" and highlights everything.
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Question by:ElrondCT
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by:mlmcc
ID: 38369272
I believe you are referring to building a function nthat will reside in the repository.  

DO you have a full version of Crystal or the version that comes with VS2008?

I don't think the VS2008 version can use the repository.

mlmcc
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ElrondCT earned 0 total points
ID: 38369666
I don't have a full version of CR; just the version that comes with Visual Studio (listed as v10.5). It's always annoying to try to figure out what's in the embedded version and what's not. I'm not really looking for a repository function (though that would actually be nice; I do have some formulas that I use in more than one report); just something that I can use twice in a single report.

Actually, I looked back at one of the pages I had looked at, and discovered that the key is to create a "Custom Function" rather than a "Formula", which is selected in Formula Workshop, clicking on the downarrow next to the New icon. Apparently the Function keyword only works for Custom Functions, not Formulas. It looks like this only applies to an individual report, not a common set, but that meets my need for now.
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Author Closing Comment

by:ElrondCT
ID: 38382363
Found the answer myself.
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