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

Using virtual tables to loop through data


Just as you can repeat code using a loop, you can also repeat data items in a report using a virtual table. This recipe will show you how to use the most common virtual table, Integer.

How to do it...

  1. Create a new report by following the Using the Report Generation Wizard recipe.

  2. Add the following global variable:

    Name

    Type

    NoOfCopies

    Integer

  3. Add a label and textbox control to the request form.

  4. Set the following property on the textbox control:

    Property

    Value

    SourceExpr

    NoOfCopies

  5. Set the following property on the label control:

    Property

    Value

    Caption

    No. of Copies

  6. Insert an Integer data item above the Customer data item.

  7. Change the Name field for the Integer data item to CopyLoop.

  8. Indent the Customer data item by using the right arrow button on the bottom of the form.

  9. Delete the CopyLoop Body section from the Section Designer.

  10. Add the following code to the OnPreDataItem trigger for CopyLoop:

    SETRANGE(Number, 0, NoOfCopies);
    
  11. Save and close...