April 2017
Intermediate to advanced
706 pages
17h 8m
English
book
Programming Microsoft Dynamics NAV - Fifth Edition
by Marije Brummel, David Studebaker, Christopher D. Studebaker
Content preview from Programming Microsoft Dynamics NAV - Fifth Edition
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CALCFIELDS and CALCSUMS comparison
In the Sales Header record, there are FlowFields defined for Amount and "AmountIncludingVAT". These FlowFields are all based on Sums of entries in the SalesLine table. The CalcFormula for Amount is Sum("SalesLine".AmountWHERE(DocumentType=FIELD(DocumentType), DocumentNo.=FIELD(No.))).
CALCSUMS can be used on any integer, big integer, or decimal field with any filter on any table, but for larger datasets creating a key with a SumIndexField is recommended.
To calculate a TotalOrderAmount value while referencing the Sales Header table, the code can be as simple as this:
"Sales Header".CALCFIELDS (Amount);TotalOrderAmount := "Sales Header".Amount;
To calculate the same value from code directly referencing ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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