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The VB.NET Programming Language

Microsoft's .NET Framework presents developers with unprecedented opportunities. From web applications to desktop and mobile platform applications - all can be built with equal ease, using substantially the same skill-set. But to make the most of this potential, developers must have a thorough grasp of core language skills and OO programming concepts.

It concentrates on the programming language itself, to prepare delegates fully in readiness for exploring the .NET Framework. No Object-Orientated knowledge is assumed - the course provides a suitable OO primer. From basic procedural syntax to sophisticated object-oriented programming techniques, delegates will learn how to write .NET applications with code that is robust and maintainable.

The course is presented as a mixture of lectures, demos and hands-on exercises. Practical sessions follow all main topics, designed to reinforce the points covered. Additional information is provided in appendices to extend the learning experience after the course has been completed.

Please note:

  •   Those delegates who are attending via either virtual or extended classroom will be required to provide either dual monitors or single monitor plus a tablet device.
  •   Before attending this class delegates must have a Microsoft account (signing up to one is free).
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Learning Objectives

  • Write code that includes sequence, selection and iteration constructs
  • Create and use classes and structures (types), including fields, properties and methods
  • Use Private, Friend, Protected and Public visibility modifiers
  • Use exception-handling to create robust applications
  • Create derived classes that inherit from custom-written or .NET Framework classes
  • Create interfaces and apply techniques of polymorphism effectively and appropriately
  • Work with generic types
  • Leverage the power of VB.NET features
  • Use delegates
  • Understand the event handling paradigm
  • Use lambda expressions in code
  • Use LINQ (Language Integrated Query)
  • Efficiently manage resources

Pre-Requisites

Delegates must understand the fundamentals of programming.

This intensive course is intended for developers who will use VB.NET to write .NET Framework applications and who are relatively new to the VB.NET programming language.

  • This is a course for developers.

Course Content

Module 1: Introduction to Object Orientation

  • This ensures all delegates have a grounding in the principles of Object Orientation.

Module 2: OO and VB.NET

  • Get started on how VB.NET implements Object Orientation

Module 3: Introduction to .NET, Visual Studio & VB.NET

  • The .NET Framework; The Common Language Runtime; The Common Type System
  • VB.NET Features; Introduction to namespaces and assemblies
  • Get to know your way around Visual Studio

Module 4: Syntax I

  • Procedures and statements; Data types; Declaring variables; Assignments
  • Conversion; Arithmetic and other operators
  • Flow of control constructs
  • Passing parameters by value, by reference, named and optional parameters

Module 5: Syntax 2

  • Type concepts; Classes; Reference types
  • Fields, properties and methods
  • Accessibility modifiers
  • Object initialisation, Constructors and Constructor chaining
  • Instance members; Keyword 'Me'
  • Enumerated types
  • Arrays

Module 6: Collections

  • Generic Collections
  • Iterating collections
  • Indexers

Module 7: Inheritance & Polymorphism

  • Concept of inheritance; Substitutability; Extending a simple class
  • 'Overridable', 'Overrides' and 'NotOverridable' modifiers
  • Polymorphism
  • Abstract classes (MustInherit)
  • Upcasting and safe downcasting

Module 8: Interfaces

  • Polymorphism with interfaces
  • Multiple interfaces

Module 9: Delegates and Lambdas

  • Delegates explained
  • Working with delegates
  • Creating your own delegate types
  • The evolution of Lambdas

Module 10: Generic Delegates

  • Using the framework-supplied generic delegates

Module 11: LINQ

  • The language features behind LINQ
  • The LINQ API and query pattern
  • Grouping and Joins

Module 12: Handling Exceptions

  • Errors vs. Exceptions
  • The 'try', 'catch', 'finally' paradigm
  • Using 'throw'
  • Creating your own exceptions

Module 13: Consuming Events

  • Understanding events in .NET
  • Writing event handlers

Module 14: Producing Events

  • The event conventions
  • Raising custom events

Module 15: Garbage Collection

  • Garbage collection and its impact
  • Finalizers; The 'Dispose' pattern; IDisposable
  • The 'using' statement

Module 16: The Way Ahead

  • Review
  • Follow-on courses

Appendix Module A: LINQ to Xml

• Producing and consuming XML using LINQ

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