DOT NET

Part 1: C#.NET Fundamentals

• 1. Basics

• Introduction to .NET Framework / .NET Core / .NET 5+
• Installing .NET SDK & VS Code / Visual Studio
• First C# Program (Console App)
• Variables & Data Types
• Type Conversion (Implicit & Explicit)
• Constants & Enums

2. Control Flow

• Conditional Statements: if, else if, else, switch
• Loops: for, while, do-while, foreach
• Jump Statements: break, continue, goto, return

3. Arrays & Collections

• Single & Multi-dimensional Arrays
• Jagged Arrays
• List<T>, Dictionary<TKey, TValue>
• Queue, Stack, HashSet

4. Methods

• Method Declaration & Parameters
• Pass by Value vs Reference (ref, out)
• Method Overloading
• Optional & Named Parameters

5. Object-Oriented Programming (OOP)

• Classes & Objects
• Constructors & Destructors
• Properties (Auto, Computed, Read-only)
• Access Modifiers (public, private, protected, internal)
• Encapsulation
• Inheritance (base, sealed)
• Polymorphism (Method Overriding, Hiding)
• Abstraction (Abstract classes, Interfaces)

6. Advanced C# Concepts

• Static Classes & Members
• Partial Classes & Methods
• Namespaces
• Exception Handling (try-catch-finally, custom exceptions)
• Structs vs Classes

7. C# Modern Features (C# 6–12)

• String Interpolation ($”Hello {name}”)
• Nullable Types & Null-conditional Operators (?., ??, ??=)
• Lambda Expressions
• LINQ (Query Syntax & Method Syntax)
• Async/Await (Task, async, await)
• Pattern Matching (is, switch expressions)
• Tuples 
• Indexes

• Part 2: ASP.NET Core Basics

• 8. Getting Started

• What is ASP.NET Core?
• Differences: .NET Framework vs .NET Core vs .NET
• ASP.NET Core Architecture (Middleware, Host, Pipeline)
• Creating First Web App (Razor Pages / MVC)

9. Middleware & Request Pipeline

• Use(), Run(), Map() methods
• Built-in Middlewares (Static Files, Routing, Exception Handling)
• Custom Middleware
• Order of Execution

10. Configuration & Logging

• appsettings.json & Environment-specific configs
• IConfiguration & Options Pattern (IOptions<T>)
• Logging Providers (ILogger<T>)
• Environment Variables

11. Dependency Injection (DI)

• What is DI & Why use it?
• Service Lifetimes: Singleton, Scoped, Transient
• Registering Services (AddScoped, AddTransient, AddSingleton)
• Constructor Injection

• Part 3: ASP.NET Core MVC

• 12. MVC Architecture

• Models, Views, Controllers
• Routing (Conventional & Attribute Routing)
• Action Methods & Return Types (IActionResult)

13. Views

• Razor Syntax (@, @model, @Html, @await)
• Layouts, Sections, and Partial Views
• View Components
• ViewModels

14. Model Binding & Validation

• Binding data from Form, Query, Route, Body
• [Bind], [FromQuery], [FromRoute], [FromBody]
• Data Annotations ([Required], [StringLength], [Range])
• Custom Validation
• Client-side Validation Integration

15. Tag Helpers

• Built-in Tag Helpers (Form, Input, Label, Select, Anchor)
• Custom Tag Helpers
• Differences: Tag Helpers vs HTML Helpers

• Part 4: Data Access with Entity Framework Core

• 16. EF Core Fundamentals

• ORM Concept & EF Core
• DbContext & DbSet
• Connection Strings
• Migrations (Add-Migration, Update-Database)
• Data Seeding

17. Modeling

• Code First vs Database First (Scaffolding)
• Fluent API & Data Annotations
• Relationships (One-to-One, One-to-Many, Many-to-Many)
• Inheritance Mapping (TPH, TPT)

18. Querying Data

• LINQ to Entities
• Eager Loading (Include, ThenInclude)
• Explicit Loading (Entry().Collection())
• Lazy Loading (Proxy creation)
• Raw SQL Queries

19. CRUD Operations

• Add, Update, Delete entities
• Change Tracker states
• SaveChanges & SaveChangesAsync
• Concurrency Handling (Timestamp, RowVersion)

• Part 5: Advanced ASP.NET Core

• 20. Web API Development

• RESTful principles
• [ApiController] attribute
• ControllerBase vs Controller
• Content Negotiation
• Formatting Responses (JSON/XML)
• Using Postman/Swagger (Swashbuckle, Scalar)

21. Security & Authentication

• CORS Policies
• JWT Authentication (Bearer tokens)
• ASP.NET Core Identity
• Role-based & Policy-based Authorization
• Data Protection API
• HTTPS Enforcement & HSTS

22. Error Handling & Logging

• Developer Exception Page
• Custom Exception Filters
• Global Error Handling Middleware
• Health Checks (HealthCheckService)

23. Testing

• Unit Testing with xUnit/NUnit
• Mocking with Moq
• Integration Testing (WebApplicationFactory)

24. Background Services

• IHostedService / BackgroundService
• Scheduled tasks (Hangfire, Quartz.NET alternative)

25. Deployment

• Publishing to IIS
• Environment Configuration in Production