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Programming Microsoft Dynamics 365 Business Central - Sixth Edition

You're reading from  Programming Microsoft Dynamics 365 Business Central - Sixth Edition

Product type Book
Published in Apr 2019
Publisher Packt
ISBN-13 9781789137798
Pages 536 pages
Edition 6th Edition
Languages
Authors (3):
Marije Brummel Marije Brummel
Profile icon Marije Brummel
David Studebaker David Studebaker
Profile icon David Studebaker
Christopher D. Studebaker Christopher D. Studebaker
Profile icon Christopher D. Studebaker
View More author details

Table of Contents (12) Chapters

Preface Introduction to Business Central Tables Data Types and Fields Pages - The Interactive Interface Queries and Reports Introduction to AL Intermediate AL Advanced AL Development Tools Successful Conclusions Assessments Other Books You May Enjoy

Modifying table fields

Because we want the Business Central tables to be the core of the design and to host as much of the processing as makes sense, we will start our enhancement work with table modifications.

The first table modification is to add the data fields to the Playlist Header, as shown in the following screenshot, to support the definition and tracking of various program segment requirements. In the Radio Show table, each show has requirements defined for a specific number of PSAs and advertisements, and for the presence of news, sports, and weather spots. The Playlist Header needs this requirement information stored, along with the associated TSA and advertisement counts for this show instance. We will obtain the news, sports, and weather line counts by means of a function call:

Because Playlist Line includes an Option field that identifies the PSA and advertisement records, we will use a FlowField to calculate the counts for each of those line types. We will construct...

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