March 2017
Intermediate to advanced
1235 pages
28h 42m
English
book
Microsoft Dynamics NAV
by Alex Chow, Laura Nicolàs Lorente, Cristina Nicolàs Lorente, Vjekoslav Babić, David Roys, David Studebaker, Christopher Studebaker, Mark Brummel
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The Select Pattern
When a transaction is started with a record as a parameter, the transaction sometimes need extra information to decide how the transaction needs to behave. When using the OnRun() trigger of a Codeunit to start the transaction, we can only use one table as a parameter to the function. The Select pattern helps us in working around this limitation in an elegant way, allowing us to write clean and readable code.
Note
More information about the pattern can be found in the How Do I video at https://www.youtube.com/watch?v=SxywT2XSpcI&list=PLhZ3P-LY7CqmVszuvtJLujFyHpsVN0U_w&index=7.
Technical description
To be able to give the extra information to the function, we need to add extra fields to the table that acts as placeholders or properties ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.