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Programming Microsoft Dynamics 365 Business Central

You're reading from   Programming Microsoft Dynamics 365 Business Central Build customized business applications with the latest tools in Dynamics 365 Business Central

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Product type Paperback
Published in Apr 2019
Publisher Packt
ISBN-13 9781789137798
Length 536 pages
Edition 6th Edition
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Authors (3):
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Christopher D. Studebaker Christopher D. Studebaker
Author Profile Icon Christopher D. Studebaker
Christopher D. Studebaker
David Studebaker David Studebaker
Author Profile Icon David Studebaker
David Studebaker
Marije Brummel Marije Brummel
Author Profile Icon Marije Brummel
Marije Brummel
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Toc

Table of Contents (12) Chapters Close

Preface 1. Introduction to Business Central FREE CHAPTER 2. Tables 3. Data Types and Fields 4. Pages - The Interactive Interface 5. Queries and Reports 6. Introduction to AL 7. Intermediate AL 8. Advanced AL Development Tools 9. Successful Conclusions 10. Assessments 11. Other Books You May Enjoy

DataItem triggers

Each DataItem has the following triggers available:

The DataItem triggers are where most of the flow logic is placed for a report. Developer defined functions may be freely added but, generally, they will be called from within the following three triggers:

  • OnPreDataItem(): This is the logical place for any preprocessing to take place that can't be handled in report or DataItem properties or in the two report preprocessing triggers.
  • OnAfterGetRecord(): This is the data read and process loop. The code that's placed here has full access to the data of each record, one record at a time. This trigger is repetitively processed until the logical end of table is reached for this DataItem. This is where we would typically access data in related tables. This trigger is represented on our report data flow diagram as any one of the boxes labeled Data Item processing Loop.
  • OnPostDataItem(): This executes after all the records in this DataItem are processed,...
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