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

Browsing for a file


In the first recipe of this chapter, we saw how to use HYPERLINK to open an external file in an appropriate application; in this recipe, we will see how to use an NAV out of the box codeunit to select a file using a dialog box.

How to do it...

  1. First create a new codeunit from Object Designer and follow the steps.

  2. Then add the following global variables:

    Name

    Type

    Subtype

    Length

    FileMgt

    Codeunit

    File Management

     

    SelectedFile

    Text

     

    255

  3. Next, write the following code in the OnRun trigger of the codeunit:

    SelectedFile := FileMgt.OpenFileDialog('NAV File Browser','*.txt','');
    MESSAGE('You selected %1', SelectedFile);
  4. Finally, save and close the codeunit.

How it works...

To carry out file handling activities, NAV provides a codeunit 419 (File Management). It uses .NET interoperability, which allows using the function of the .NET library. The OpenFileDialog function of this codeunit allows us to open a simple dialog box in Open mode. This function takes three parameters...