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Introduction to C# Programming



Course Number



3 Days

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Gain comprehensive introductory coverage of C# as an object-oriented language for application development. With this training course, you will obtain practical experience using C# and learn how to leverage the .NET Framework Library to quickly produce production-level programs. Use of C# in all three tiers is discussed (user interface, business logic and data access) with focus on proper object-oriented coding.

You Will Learn How To

  • Create, compile, debug, deploy and run C# programs
  • Write and understand C# language constructs, syntax, and semantics
  • Develop applications using the object-oriented concepts of encapsulation, inheritance and polymorphism
  • Produce solid programs using industry-recognized multilayer architectures

Important Course Information


This course is an introduction to C# but not an introduction to computer programming. Experience using a modern procedural language, such as Visual Basic, Pascal, Java, or C/C++ is needed. It is not a sufficient prerequisite if you have only used SQL and/or HTML. Attendees require understanding of concepts such as data types, variables, declarations, conditionals, loops, expressions, functions, parameter passing, and procedural language flow.

Alternative Courses:

For those without the pre-requisite background, Introduction to Programming using .Net is recommended. For those who already have fundamental knowledge of C# should take Programming in C# (20483).


This course uses the Visual Studio 2017 Professional, but is useful to those using an earlier versions. Although it also uses C# V6, careful annotation of version-specific features makes the course useful to those using earlier versions of the language.

Course Outline

  • Introduction to the C# Language

The evolution of C#

  • Comparing different versions of C#
  • Expressing C# models in UML

C# and the .NET infrastructure

  • Common Language Infrastructure (CLI)
  • Managed code philosophy
  • Common Intermediate Language (CIL) and metadata
  • Language Fundamentals

Data types and control constructs

  • Declaring implicit and explicit variables
  • Value and reference types
  • Unicode characters and strings

Defining and calling methods

  • The Main method specification
  • Passing arguments and returning values
  • The scope and lifetime of variables
  • Named and symbolic methods
  • Handling exceptions
  • Recovering resources

Employing .NET library classes

  • Avoiding collisions by using namespaces
  • Performing I/O using the stream class and serialization
  • Standard and Generic Collections
  • Developing C# Classes

Defining classes

  • Encapsulating attributes with methods and properties
  • Providing consistent initialization using constructors
  • Overloading methods and constructors
  • Achieving reuse through inheritance and polymorphism

Creating and using objects

  • Allocating object memory with new
  • Passing initial values to constructors
  • Choosing value or reference allocation
  • Invoking methods and accessing properties
  • Interconnecting Objects

Associating classes

  • Manipulating references
  • Physical vs. logical equivalence
  • Selecting collection library classes
  • Increasing reliability using generics

Exposing interfaces

  • Defining an interface specification
  • Interface polymorphism
  • Events and delegates
  • Implementing and Enhancing C# Solutions

Components and Deployment

  • Manifests and assemblies
  • .NET assembly meta-model

Building multi-tier applications

  • Leveraging solid architectures (MVC and EDM)
  • Changing the user interface
  • Dealing with data using LINQ and Entity Framework
  • Employing delegates and lambda expressions
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Tuition — Standard: $2745   Government: $2415

May 23 - 25 (3 Days)
9:00 AM - 4:30 PM EDT
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Aug 22 - 24 (3 Days)
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Sep 12 - 14 (3 Days)
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Oct 10 - 12 (3 Days)
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Nov 14 - 16 (3 Days)
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Jan 2 - 4 (3 Days)
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Feb 20 - 22 (3 Days)
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Mar 20 - 22 (3 Days)
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Apr 3 - 5 (3 Days)
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Course Tuition Includes:

After-Course Instructor Coaching
When you return to work, you are entitled to schedule a free coaching session with your instructor for help and guidance as you apply your new skills.

After-Course Computing Sandbox
You'll be given remote access to a preconfigured virtual machine for you to redo your hands-on exercises, develop/test new code, and experiment with the same software used in your course.

Free Course Exam
You can take your Learning Tree course exam on the last day of your course or online any time after class.


Training Hours

Standard Course Hours: 9:00 am – 4:30 pm
*Informal discussion with instructor about your projects or areas of special interest: 4:30 pm – 5:30 pm

“This Learning Tree Course was one of the most challenging yet rewarding technical classes I've taken in years. I don't remember when I've had to work so hard at a class—and that's a compliment!”

- J. Butterer, Senior Systems Analyst
Global Aerospace

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