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Mastering Microsoft Dynamics NAV 2016

You're reading from   Mastering Microsoft Dynamics NAV 2016 The compilation of best skillset to harness Microsoft Dynamics NAV for Administrators, Consultants, and Developers

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781786464309
Length 450 pages
Edition 1st Edition
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Author (1):
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Rabindra Sah Rabindra Sah
Author Profile Icon Rabindra Sah
Rabindra Sah
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Table of Contents (13) Chapters Close

Preface 1. Microsoft Dynamics NAV Installation FREE CHAPTER 2. Upgraded Features and Configuration in Dynamics NAV 2016 3. The C/AL and VB Programming 4. Testing and Debugging 5. Design and Development Considerations 6. Version Control and Code Management 7. Tuning Up the NAV System 8. Security in Dynamics NAV 2016 9. Upgrade and Migration 10. Interfacing NAV with Other Applications 11. Extending Dynamics NAV 2016 12. The Future of NAV

Considerations while coding


All the considerations for coding cannot be covered in this chapter. I have tried to cover some of the interesting and most useful topics in this chapter.

The Try function

The Try function is the latest addition to the Dynamics NAV system. It is directly taken from the C# language and serves the purpose of catching the exceptions that were impossible to catch in previous versions. The first thing that a programmer wants in any language is to catch the exception because in other programming forms, it is the first thing that we write. To create a Try function, add a function in the C/AL code of an object. Then, set the TryFunction property to Yes.

A Try function has the following restrictions:

  • In test and upgrade code units, you can only use a Try function on a normal function type

  • The Try function cannot have a user-defined return value

Note

The details on how to create the Try function and implement it in your code are explained inChapter 3, The C/AL and VB Programming...

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