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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

Debugging with ERROR

One of the challenges of testing is maintaining repeatability. Quite often, we need to test several times using the same data, but the test changes the data. If we have a small database, we can always back up the database and start with a fresh copy each time. However, that can be inefficient and, if the database is large, impractical. If we are using the built-in Business Central Test functions, we can roll back any database changes so the tests are totally repeatable. Another alternative is to conclude our test with an ERROR function to test and retest with exactly the same data.

The ERROR function forces a runtime error status, which means the database is not updated (it is rolled back to the status at the beginning of the process). This works well when our debugging information is provided by using the debugger or any of the DIALOG functions we just mentioned prior to the execution of the ERROR function. If we are using MESSAGE to generate debugging information...

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