Learn ASPNET-CORE with Real Code Examples
Updated Nov 27, 2025
Installation Setup
Install .NET SDK (latest version recommended)
Use Visual Studio, Visual Studio Code, or JetBrains Rider
Create a new project via `dotnet new mvc` or `dotnet new webapi`
Restore dependencies with `dotnet restore`
Run project using `dotnet run` or via IDE
Environment Setup
Install .NET SDK (latest version)
Use Visual Studio, VS Code, or Rider
Create new project using CLI or IDE
Restore dependencies via `dotnet restore`
Run project locally to verify setup
Config Files
Program.cs - application startup
Startup.cs - service registration and middleware configuration
appsettings.json - configuration settings
Controllers/ - MVC controllers
Views/ - Razor pages/templates
Cli Commands
dotnet new mvc - create MVC project
dotnet new webapi - create API project
dotnet run - start development server
dotnet ef migrations add <name> - add migration
dotnet test - run tests
Internationalization
Localization via resource files
Culture-specific formatting supported
Middleware handles locale detection
Supports multi-language UI and validation messages
Integration with external i18n libraries possible
Accessibility
Supports web standards for accessibility
Razor Pages can include ARIA attributes
Localization and globalizations supported
Forms validation accessible to screen readers
Testing with accessibility tools recommended
Ui Styling
Razor Pages or Blazor components for UI
Integrate CSS frameworks (Bootstrap/Tailwind)
JavaScript frameworks (React, Angular, Vue) supported
Static files served from wwwroot/
Layout and partial views for reusable UI
State Management
Controller/state handled via services and DI
Sessions managed via middleware
Caching with in-memory or distributed providers
Database state via EF Core
Middleware pipeline manages request/response flow
Data Management
Entity Framework Core for ORM
Database migrations and seed data management
Caching for performance
Logging and monitoring for state tracking
Services encapsulate data access logic