ASP .NET Versions

 

ASP.NET 1.0 (2002)

  • Web Forms: A drag-and-drop server-side web application model (event-driven).
  • Code-Behind: Separation of logic (C# or VB.NET) from HTML markup.
  • Server Controls: Predefined server-side controls like TextBox, Button, GridView.
  • ViewState: Mechanism to retain state between postbacks.
  • Session and Application State: Tools for storing user-specific or application-wide data.
  • Authentication/Authorization: Forms and Windows authentication.
  • ADO.NET: Database access via SQL Server or other databases.
  • Web Services: Support for building XML web services (SOAP-based).

ASP.NET 1.1 (2003)

  • Mobile Controls: Introduced support for mobile web devices.
  • Improvements in Web Services: Enhanced security and reliability in XML web services.
  • Data Access Enhancements: Improvements in ADO.NET, including native ODBC and Oracle support.

ASP.NET 2.0 (2005)

  • Master Pages: Consistent site layouts across pages.
  • Themes and Skins: Customizable look and feel for controls and pages.
  • Navigation Controls: SiteMapPath, Menu, and TreeView controls for improved navigation.
  • Data Controls: GridView, DetailsView, and FormView controls for data presentation.
  • Membership and Role Management: Pre-built functionality for user authentication and role-based authorization.
  • Personalization (Profile Properties): Storing and retrieving user-specific data.
  • Provider Model: Extensible models for membership, roles, and personalization providers.
  • Compilation Improvements: Dynamic compilation and deployment.
  • Partial Classes: Separation of auto-generated code from user code.

ASP.NET 3.0/3.5 (2006/2007)

  • AJAX Support: Built-in support for ASP.NET AJAX, including UpdatePanel and ScriptManager.
  • LINQ (Language-Integrated Query): Integration of LINQ for querying collections and databases.
  • ListView and DataPager: More flexible data-binding controls.
  • Entity Framework: An ORM (Object-Relational Mapper) for working with databases in an object-oriented manner.
  • Silverlight Integration: Improved support for RIA (Rich Internet Applications) using Silverlight.

ASP.NET 4.0/4.5 (2010/2012)

  • Web Pages: A lightweight, code-focused web development framework using Razor syntax.
  • Routing: Improved support for clean, SEO-friendly URLs.
  • Web API: Framework for building RESTful HTTP services.
  • SignalR: Real-time web functionality for bi-directional communication between server and clients.
  • Model Binding: More flexible data-binding techniques using model binders.
  • Bundling and Minification: Tools for optimizing scripts and styles for faster loading.
  • HTML5 Support: Improved support for HTML5 and CSS3 standards.
  • Async and Await: Support for asynchronous programming in web forms and web services.
  • OAuth/OpenID Authentication: Integrated support for external authentication providers.
  • Enhanced Web Forms Controls: New and improved controls, like AsyncFileUpload and better data-binding features.

ASP.NET Core 1.0 (2016)

  • Cross-Platform: Ability to run on Windows, macOS, and Linux (via .NET Core runtime).
  • Unified MVC and Web API: Combined frameworks for building both web applications and APIs.
  • Middleware Pipeline: Lightweight and modular HTTP request pipeline.
  • Dependency Injection: Built-in support for dependency injection.
  • Tag Helpers: Cleaner HTML code via server-side rendering of dynamic elements.
  • Razor Pages: Simplified page-based programming model.
  • Environment-Based Configuration: Environment-specific settings and configurations.
  • In-Memory Caching and Distributed Caching: Built-in support for caching mechanisms.

ASP.NET Core 2.0 (2017)

  • Razor Pages Enhancements: Further improvements for page-focused scenarios.
  • SignalR Core: Cross-platform, real-time functionality.
  • Simplified Hosting Model: Easier to set up and configure web applications.
  • gRPC Support: High-performance, cross-platform RPC framework.
  • Global Exception Handling: Centralized handling for application-wide errors.
  • Identity and GDPR Compliance: Enhanced ASP.NET Core Identity for improved authentication, supporting GDPR compliance.

ASP.NET Core 3.0/3.1 (2019)

  • Blazor (Server-Side and WebAssembly): New framework for building interactive web UIs using C# instead of JavaScript.
  • Endpoint Routing: Unified model for routing, making it easier to customize the request pipeline.
  • gRPC Support: A new model for creating high-performance, cross-platform RPC services.
  • Worker Service Template: Background services running outside a web context.
  • Improved Razor Components: Reusability of components between Blazor and MVC/Razor Pages.
  • Nullable Reference Types: Better null safety features at compile-time.
  • Health Checks: Built-in middleware for health checks of applications.

ASP.NET Core 5.0 (2020)

  • Unified Platform: Consolidation of .NET Core and .NET Framework into a single .NET 5.0.
  • Blazor WebAssembly Improvements: More features and optimizations for client-side Blazor.
  • gRPC-Web: Support for gRPC over HTTP/1, enabling gRPC to work with web browsers.
  • OpenAPI and Swagger Integration: Simplified support for documenting and testing Web APIs.
  • Source Generators: Improved code generation at compile-time for performance gains.
  • HTTP/2 and HTTP/3 Support: Improved performance and support for newer HTTP protocols.

ASP.NET Core 6.0 (2021)

  • Minimal APIs: Lightweight, minimalistic APIs using simple routing and minimal configuration.
  • Improved Blazor Support: Enhancements in Blazor components, rendering, and event handling.
  • Hot Reload: Support for editing code while the application is running without restarting.
  • Improved Performance: Continued focus on performance improvements across the entire stack.
  • HTTP/3 Support: Support for the new HTTP/3 protocol.
  • Single Page Application (SPA) Templates: Streamlined SPA templates for React, Angular, and others.
  • File Scoped Namespaces: Simplifying namespace declarations.

ASP.NET Core 7.0 (2022)

  • Minimal APIs Enhancements: More features and flexibility for lightweight APIs.
  • Rate Limiting Middleware: Built-in middleware to limit the rate of requests.
  • Improved Blazor Components: More features for enhanced interactivity and rendering.
  • Better WebSockets Support: Enhancements to WebSocket handling.
  • New Output Caching Middleware: Improved caching options for better performance.
  • Native AOT (Ahead-of-Time) Compilation: Performance gains and smaller app footprints through native AOT compilation.
  • Improved Identity Support: Better integration of authentication and authorization workflows.

ASP.NET Core 8.0 (2023/2024)

  • AI-Assisted Development: Integration with tools like Copilot for code suggestions.
  • Enhanced gRPC Support: Continued enhancements in gRPC tooling and performance.
  • Blazor Hybrid: A framework for building desktop and mobile applications using Blazor components.
  • Unified Authentication and Authorization: Streamlined workflows for authentication and OAuth2/OIDC integration.
  • Advanced Minimal APIs: Improved support for crafting even smaller, more efficient web APIs.
  • Server-Side Rendering (SSR) for Blazor: Enhancements for rendering Blazor components on the server.
  • HTTP/3 Enhancements: Further optimization for HTTP/3 and QUIC protocol.
  • Improved WebAssembly Support: Performance improvements in Blazor WebAssembly for mobile and desktop scenarios.
  • New Client-Side Blazor Features: More complex logic running entirely in the browser via WebAssembly.
  • Edge Rendering Support: Enhanced server-side rendering at the edge.

Key Techniques and Topics in ASP.NET Development:

  1. Web Forms vs MVC vs Razor Pages: Different approaches for building dynamic web applications.
  2. Entity Framework (EF Core): For database access via ORM.
  3. Dependency Injection: Core to the modern ASP.NET Core architecture.
  4. RESTful APIs and Web API: For building APIs that follow REST principles.
  5. Real-Time Communication (SignalR): For building real-time applications like chat and notifications.
  6. Blazor (Server & WebAssembly): C# for building modern web UIs.
  7. gRPC Services: High-performance remote procedure calls (RPC).
  8. Async Programming (async/await): Best practices for asynchronous operations.
  9. Middleware: Customizing the request pipeline with middleware components.
  10. Caching: Techniques for optimizing performance via in-memory and distributed caches.
  11. Unit Testing & Integration Testing: Tools and libraries like xUnit, NUnit, and Moq for ensuring code reliability.
  12. Security Best Practices: Techniques such as HTTPS, OAuth2, IdentityServer, and JWT tokens.
  13. Deployment: Containerization with Docker, deployment to Kubernetes, Azure, and other cloud services.

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