Book Image

Microsoft Dynamics NAV 2009 Programming Cookbook

By : Matthew Traxinger
Book Image

Microsoft Dynamics NAV 2009 Programming Cookbook

By: Matthew Traxinger

Overview of this book

Microsoft Dynamics NAV 2009 is a business management solution that helps simplify and streamline highly specialized business processes such as finance, manufacturing, customer relationship management, supply chains, analytics, and electronic commerce for small and medium-sized enterprises. ERP systems like NAV thus become the center of a company's day-to-day operations. When you learn to program in an environment like this it opens up doors to many other exciting areas like .NET programming, SQL Server, and Web Services.Microsoft Dynamics NAV 2009 Programming Cookbook will take you through interesting topics that span a wide range of areas such as integrating the NAV system with other software applications like Microsoft Office, creating reports to present information from multiple areas of the system, and so on. You will not only learn the basics of NAV programming, but you will also be exposed to the technologies that surround the NAV system such as .NET programming, SQL Server, and Web Services.The first half of the cookbook will help programmers coming to NAV for the first time by walking them through the building blocks of writing code and creating objects like tables, forms, 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 like Microsoft Office or even custom programs. You will also discover some of the features of the Role Tailored Client including creating Pages and custom add-ins.
Table of Contents (18 chapters)
Microsoft Dynamics NAV 2009 Programming Cookbook
Credits
About the author
About the reviewer
Preface
Index

Understanding SIFT tables


SIFT stands for Sum Index Field Technology and is used by NAV to keep track of data to quickly perform complex calculations. This recipe will show you how they work.

How to do it...

  1. Design Table 379, Detailed Cust. Ledg. Entry.

  2. Click on View | Keys from the menu.

  3. View the Properties for some of the enabled keys. You will notice one property called MaintainSIFTIndex. This is the property that tells SQL Server to store the totals of the SumIndexFields.

How it works...

Prior to NAV 5.0 SP1, SIFT values were stored in actual tables. In later versions, they earned the nickname VSIFT because they are stored as views. This explanation will focus on VSIFT, but for a deeper description of SIFT and how it works, check out Jörg A. Stryk's book, The NAV/SQL Performance Field Guide.

We will take a look at the key Customer No., Initial Entry Due Date, Posting Date. This is the fourth key in the list (if you start with 0 as the first key). The view that will be created for this key...