Book Image

Microsoft Dynamics NAV 7 Programming Cookbook - Second Edition

Book Image

Microsoft Dynamics NAV 7 Programming Cookbook - Second Edition

Overview of this book

Microsoft Dynamics NAV 7 is a business management solution that helps simplify and streamline highly specialized business processes. Learning NAV programing in NAV 7 gives you the full inside view of an ERP system. Microsoft Dynamics NAV 7 Programming Cookbook covers topics that span a wide range of areas such as integrating the NAV system with other software applications including Microsoft Office, and creating reports to present information from multiple areas of the system,. We will not only learn the essentials of NAV programming, you will also be exposed to the technologies that surround NAV including.NET programming, SQL Server and NAV system administration. Microsoft Dynamics NAV 7 Programming Cookbook is written in a direct, to-the-point style to help you get what you need and continue working in NAV. The first half of the cookbook will help programmers using NAV for the first time, by walking them through the building blocks of writing code and creating objects such as tables, pages, and reports. The second half focuses on using the technologies surrounding NAV to build better solutions. You will learn how to write .NET code that works with the NAV system and how to integrate the system with other software applications such as Microsoft Office or even custom programs. You will learn everything you need to know for developing all types of NAV CSIDE objects, as well as how to integrate and maintain a NAV system.
Table of Contents (20 chapters)
Microsoft Dynamics NAV 7 Programming Cookbook
Credits
About the Author
About the Reviewers
Acknowledgements
www.PacktPub.com
Preface
Index

Understanding SIFT


SIFT stands for Sum Index Field Technology; it keeps track of data of type decimal and helps to complete complex calculations quickly. Let's see how it works.

How to do it...

  1. Design Table 379 Detailed Cust. Ledg. Entry-keys.

  2. Click on View | Keys from the menu.

  3. The selected key has a value in the SumIndexFields column. Go to Properties of the selected keys. The property, MaintainSIFTIndex, tells the SQL Server to store the total of SumIndexFields.

How it works...

Initially, SIFT values were stored in actual tables. Later, it was identified that inserting multiple entries in the SIFT table on every transaction puts an extra load on the system performance. To reduce this load from NAV 5 SP1, these values are stored in View and called VSIFT. In this example, we will focus on VSIFT.

Let's take a look at the fourth key Customer No., Initial Entry Due Date, Posting Date, Currency Code. In the NAV key, the count starts at zero; that's why we said the fourth key. The VSIFT view name...