X++ Programming Language training focuses on developing & customizing Microsoft Dynamics 365 Finance & Operations (F&O) applications using the X++ language. The training covers core development concepts, integrations, and real-world customization tasks, making it essential for anyone involved in building or extending D365 F&O solutions. It is important because X++ is the backbone of Dynamics F&O development, enabling automation, customization & business logic implementation. This training is ideal for D365 Developers, Technical Consultants, Programmers & IT professionals aiming for Dynamics 365 technical roles.

Course Objectives:

In this course, you will learn to:

• Understand X++ language syntax, OOP, and data handling
• Develop and customize modules in Dynamics 365 Finance & Operations
• Build tables, forms, and reports using AOT and X++
• Automate business processes using batch jobs and frameworks
• Identify components of classes.
• Create an instance of a class.
• Learn about collection classes.
• Create objects in a constructor.
• Manipulate data by using X++.
• Identify the different types of conditional statements.
• Write conditional statements.
• Write loop statements.
• Use iterative statements.
• Identify exception handling statements.
• Write exception handling statements.
• Learn about the use and function of const values.
• Learn how to implement global functions in X++.

Course content

Introduction to X++ and Dynamics 365 F&O Development

• Overview of Microsoft Dynamics 365 F&O architecture
• Introduction to the MorphX IDE and Visual Studio integration
• Understanding AOT (Application Object Tree)
• Development environment setup
• What is X++ and its role in D365 F&O
• Key components: AOT, Projects, Elements

Lab:

• Set up the D365 development environment
• Create your first X++ class and execute a simple statement

X++ Language Fundamentals

• Syntax and data types in X++
• Variables, constants, and operators
• Conditional statements (if, switch)
• Loops (for, while, do-while)
• Built-in functions
• Methods and parameters

Lab:

• Create a class to calculate payroll deductions using X++
• Implement control structures to validate employee records

Working with Classes and Objects

• OOP concepts in X++ (Encapsulation, Inheritance, Polymorphism)
• Creating and extending classes
• Class modifiers and method scopes
• Static vs. instance methods
• Event handling in classes
• Exception handling in X++

Lab:

• Implement class inheritance for vendor/customer data handling
• Build a custom logging framework using X++

Tables, Data Dictionary, and Queries

• Creating and modifying tables in AOT
• Table relations, indexes, and field groups
• Methods on tables (insert(), update(), delete())
• Queries in X++: QueryBuildDataSource, select statements
• Temporary tables and in-memory data manipulation

Lab:

• Create a new table and write CRUD operations using X++
• Write a query to retrieve all open sales orders for a specific customer

Forms, Menus, and User Interface Development

• Creating and customizing forms
• Data sources, form designs, and patterns
• Menu items and navigation setup
• Buttons, controls, and methods on forms
• Using form data event handlers
• Working with EDTs (Extended Data Types)

Lab:

• Create a custom form for customer feedback entry
• Add business logic to validate form input before saving

Data Manipulation and Business Logic

• Using select, insert_recordset, update_recordset, delete_from
• Transactions and ttsbegin/ttscommit blocks
• Set-based operations and record bukers
• Integration with business logic classes (Table and Class interaction)

Integrating X++ with D365 Business Frameworks

• Introduction to SysOperation Framework (Business Operation Framework)
• Batch processing in X++
• Using services and data entities in X++
• Integration with external APIs and web services
• Events and delegates in D365

Lab:

• Create a SysOperation framework class to process sales orders in batch
• Consume a web service using X++

Security, Role-Based Access & Extensions

• Security architecture in D365
• Privileges, duties, and roles
• Table and form access permissions
• Extensible control framework (Extensions vs. Overlayering)
• Chain of Command (CoC) concept and usage

Lab:

• Create a security role for a custom module
• Extend a standard class using Chain of Command

Debugging, Testing, and Performance

• Debugging in Visual Studio
• Using trace parser and performance monitoring tools
• Best practices for X++ coding
• Unit testing using SysTest framework
• Logging and exception handling

Lab:

• Debug a table method and trace a data issue
• Write a SysTest case for validating customer credit limits

Reporting and Integration Basics

• Introduction to SSRS in Dynamics 365
• Building simple reports using Report Data Providers (RDP)
• Integrating reports with forms and menus
• Introduction to Power BI and Data Entities
• Exporting data using X++ logic

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