Development II in Microsoft Dynamics AX 2012

Introduction

Target Audience

Outcomes

After completing this course, students will be able to:

• Identify key features of developing with X++.
• Describe the basic foundation of object-oriented programming.
• Use the development tools available within Microsoft Dynamics AX 2012.
• Create object and data models from existing application elements by using the Reverse Engineering tool.
• Use best practices to instill good programming habits.
• Declare and use extended data types for variables.
• Use the various operators available in X++.
• Control program flow using conditional statements in X++.
• Repetitively call the same blocks of code by using Loop statements.
• Use standard functions that are built in to the application.
• Use output commands to display data and messages to the user.
• Use the classes within Microsoft Dynamics AX 2012 X++ development.
• Control access to methods using Access Control Method Modifiers.
• Extend a class using the concept of inheritance.
• Describe the differences between an object and a class.
• Initialize variables in the appropriate place according to scoping rules.
• Call methods within the same class.
• Use the different method types available.
• Describe the similarities and differences between tables and classes.
• Use the eventing publisher and subscriber model when modifying code in the application.
• Retrieve data from the database using a select statement.
• Create, update and delete data in the database.
• Use and build queries using kernel classes.
• Examine the exception handling mechanism in Microsoft Dynamics AX.
• Use the Try, Catch, and Retry statements.
• Throw an exception from code.
• Identify and create code used to handle optimistic concurrency exceptions.
• Set permissions on application elements.
• Design and create security policies.
• Secure unsafe Application Programming Interfaces (APIs) using the Code Access Security framework.
• Authenticate data returned from display methods.

Pre-Request

Before attending this course, students must have:

• working experience with Microsoft Dynamics AX 2009 and some knowledge of technical features of Microsoft Dynamics AX 2012 architecture and development environment.

Course Outline

 Module 1: Introduction to X++

 This module introduces the students to the characteristics of X++.

Lessons

• Introduction
• Characteristics of X++
• Development Tools
• Reverse Engineering
• Best Practices

Lab : Print to the Screen

Lab : Debug the Job

Lab : Create a Data Model

Lab : Create an XML Developer Document

Module 2: X++ Control Statements

This module explains how to use control statements in X++.

Lessons

• Introduction
• Introduction to Variables
• Operators
• Conditional Statements
• Loops
• Built-in Functions
• Communication Tools

Lab : Create a Times Table Using a While Loop

Lab : Create a Times Table Using a Do…while Loop

Lab : Create a Times Table Using a for Statement

Lab : Create a YesNo BoxLab : Create a Infolog Tree

Lab : Create a Dialog BoxLab : Use X++ Control Statements

Module 3: Classes and Objects

Lessons

• Introduction
• Classes
• Method Access Control
• Inheritance
• Objects
• Scoping and Parameters in X++
• Methods
• Referencing Object Methods
• Method Types
• Table as Classes
• Eventing

Lab : Create a New Class

Lab : Allow Access to Methods

Lab : Instantiating a Class

Lab : Use Method Parameters

Lab : Create a Run Method

Lab : Create a Calculator Class

Module 4: Accessing the Database

This module explains how to develop modifications that interact with the database.

Lessons

• Introduction
• Retrieving Data
• Data Manipulation
• Queries

Lab : Retrieving Data

Lab : Update

Lab : Create Query Using X++

Module 5: Exception Handling

 This module discusses the mechanisms built in Microsoft Dynamics AX 2012 to help with exception handling.

Lessons

• Introduction
• Exceptions
• Try and Catch Exceptions
• Throwing Exceptions
• Optimistic Concurrency Exceptions

Lab : Handle an Exception

Module 6: Security for Developers

Lessons

• Introduction
• Permissions
• Security Policies
• Code Access Security
• Display Method Authorization

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