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

Handling runtime errors


Runtime errors happen when you are actually executing code. Most of these errors present error messages that users cannot easily understand. This recipe will show you how to handle these errors as well as some of the most common ones.

How to do it...

  1. Create a new codeunit from Object Designer.

  2. Add the following global variables:

    Name

    Type

    Subtype

    Customer

    Record

    Customer

    Selection

    Integer

     
  3. Add the following code to the OnRun trigger:

    Selection := STRMENU('Show Error,Handle Error', 1);
    IF Selection = 1 THEN
    Customer.GET
    ELSE
    IF NOT Customer.GET THEN
    ERROR(' Unable to find a customer with a blank number. \Are you sure you have selected a customer?');
    
  4. Save and close the codeunit.

How it works...

This codeunit allows you to select between having NAV handle an error for you or handling it with custom code. If you choose to let NAV handle the error for you, you will be presented with this error message:

This message can be confusing for new users. Its interpretation can...