Basic for C#:

1. Introduction to C#
- Overview of C# and .NET Framework
- Setting up the development environment
2. Variables and Data Types
- Value types (int, float, bool, etc.)
- Reference types (strings, arrays, etc.)
3. Operators and Control Structures
- Arithmetic, comparison, and logical operators
- If-else statements, switch statements, loops (for, while, do-while)
4. Methods and Functions
- Defining and calling methods
- Method parameters and return types
5. Object-Oriented Programming (OOP) Concepts
- Classes and objects
- Constructors, properties, and methods
- Inheritance and polymorphism
6. Arrays and Collections
- One-dimensional and multi-dimensional arrays
- List, Dictionary, and other collection classes
7. Exception Handling
- Try-catch blocks and exception types
- Throwing and handling exception

Advanced topics:

1. Delegates and Events:
- Understanding delegates and event handlers
- Creating and handling events
2. *Lambda Expressions and LINQ*:
- Using lambda expressions to simplify code
- Querying data with LINQ (Language Integrated Query)
3. *Generics and Collections*:
- Creating generic classes and methods
- Working with advanced collection classes (e.g., HashSet, SortedList)
4. *Multithreading and Async Programming*:
- Understanding threads and thread safety
- Using async/await to write asynchronous code
5. *File Input/Output and Serialization*:
- Reading and writing files
- Serializing and deserializing objects
6. *Advanced OOP Concepts*:
- Interfaces and abstract classes
- Dependency injection and inversion of control
7. *Design Patterns and Principles*:
- Understanding common design patterns (e.g., Singleton, Factory)
- Applying SOLID principles to design robust code