Build practical C# capability through guided coding exercises that focus on how the language is used in professional software development. You’ll work with core syntax, control flow, object-oriented structures and data handling, developing the technical judgement needed to write clearer code and resolve programming challenges more effectively. The course supports developers building a stronger foundation in C# and applying that knowledge with greater consistency at work.
C# Developer
Develop production-ready C# coding capability
This five-day course supports developers who want to move beyond basic syntax and develop a more disciplined approach to writing C# code. You’ll practise building structured application logic, applying object-oriented techniques, managing errors and working with data in ways that support clearer, more maintainable software. The course is suited to early-career developers, programmers moving into C#, and technical professionals who need to strengthen how they design, write and review code in a development environment.
Learning objectives
- Write structured C# applications
- Apply object-oriented techniques
- Build clear application logic
- Work with classes and methods
- Manage collections and data
- Handle exceptions effectively
- Use file input and output
- Understand LINQ queries
- Improve code maintainability
- Strengthen coding discipline
Key facts
Certification
This is a skills and knowledge-based course with no formal accreditation.
Who it’s for
This course is suited to professionals looking to build or strengthen their C# development capability within a practical learning environment.
Prerequisites
There are no pre-requisites for this course.
Exam information
There is no exam included in this training course.
Optional extras
There are no optional extras available with this course.
Pre-course
There are no pre-course requirements for this training course.
Course syllabus
Dive into the detail of the course by looking at the syllabus below.
Day one
- Introducing C#
- Language history
- C# and .NET
- Common Intermediate Language
- Common Language Runtime
- Compiling and running code
- Development tools
Day one
- Variables
- Namespaces
- Variable declaration
- Value and reference types
- Datatypes
- Variable scope
Day one
- Operators
- Arithmetic operators
- Unary operators
- Concatenation operators
- Comparison operators
- Logical operators
Day one
- Decisions
- If statements
- Switch statements
Day two
- Loops
- Loop types
- Break statements
- Continue statements
Day two
- Arrays and enums
- Populating arrays
- Looping through arrays
- Working with enums
Day two
- Methods
- Fields and methods
- Method parameters
- Method overloading
- Optional parameters
Day two
- Objects
- Creating objects
- Instance fields
- Instance methods
Day three
- Classes and structs
- Class structure
- Constructors
- Structs
Day three
- Encapsulation
- Access modifiers
- Getters and setters
- Properties
Day three
- Static members
- Static fields
- Static methods
- Static classes
- Static context
Day three
- Inheritance and polymorphism
- Object-oriented programming
- Extending classes
- Inheritance modifiers
- Polymorphism
Day four
- Abstraction and interfaces
- Abstract methods
- Abstract classes
- Interfaces
- Interface polymorphism
Day four
- Exception handling
- Throwing exceptions
- Catching exceptions
- Try, catch and finally
- Custom exceptions
Day four
- Strings and dates
- String class
- StringBuilder
- Date handling
- Number formatting
Day four
- Collections
- Collections
- Generic collections
- List class
- Dictionary class
Day five
- Delegates, lambdas and events
- Delegates
- Lambda expressions
- Events
- Event handlers
Day five
- File IO
- I/O streams
- File handling
- Serialising data
- Deserialising data
Day five
- LINQ
- Query expressions
- Ordering
- Projection
- Grouping
- Joins
- LINQ to XML
FAQs
This C# Developer course helps you build the coding discipline needed to work more confidently with C# in a professional development setting. You’ll practice core language features, object-oriented techniques, exception handling, file input and output, collections and LINQ, with a focus on writing code that is easier to understand, maintain and adapt.
Who is this C# Developer course suitable for?
This course is suitable for developers, programmers and technical professionals who want to strengthen their working knowledge of C#. It is particularly relevant if you are moving into C# from another language, building on early development experience, or need a more structured understanding of how C# is used to create maintainable applications.
What level of programming experience do I need?
Some prior programming experience is required. You should already be familiar with general concepts such as variables, arrays and loops, and be comfortable navigating files and editing text. The course introduces object-oriented programming in C#, so previous C# experience is not required, but it is not designed as a first step into programming.
What will I be able to do after the course?
You’ll be better equipped to write, compile and run C# applications, use variables and operators, control programme flow, work with methods, classes and objects, and apply exception handling. You’ll also gain experience with collections, file input and output, delegates, events, lambda expressions and LINQ, supporting more structured development work.
How will this help me in my role?
The course helps you approach coding tasks with greater structure and technical control. By improving how you organise logic, manage errors and structure reusable code, you can reduce avoidable rework, make applications easier to review and support, and contribute more effectively to development activity within your team.
How does this course support longer-term development?
By strengthening your foundation in C#, the course supports progression into more advanced development work. The skills covered can help you move towards application development, backend development or further .NET training, where a clearer understanding of C# structure, logic and object-oriented design is important.
Does the course include practical coding?
Yes. The course is built around practical coding exercises that help you apply each topic as it is introduced. This supports a more active learning experience, helping you connect C# concepts to the kinds of coding decisions developers need to make when building, maintaining and improving applications.
What our customers say
“The instructor had a great pace, allowing me and the rest of group to work on practical exercises after learning a new topic to consolidate the learning and ask any questions. I really enjoyed the course and look forward to future courses at TSG.”
Abdulmalik, TSG learner
“Very knowledgeable instructor, well-paced, not rushed. Everything was explained clearly.”
Kimberely, TSG learner
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