Introduction to ASP.NET Core Blazor

Blazor is a free, open-source web framework that enables the development of interactive client-side web UIs with .NET and C#. Blazor allows you to build web UIs using C# instead of JavaScript. You can host Blazor apps on the server or run them entirely client-side in the browser using WebAssembly.

Key Concepts

Blazor introduces several core concepts that are fundamental to building web applications with it:

• Components: The basic building blocks of a Blazor UI. Components are self-contained pieces of UI logic and markup, typically written in C# and Razor syntax.
• Razor Syntax: A templating language that allows you to embed C# code directly into HTML markup, providing a powerful way to create dynamic UIs.
• Hosting Models: Blazor offers different ways to host your application:
  • Blazor Server: Components run on the server, and UI updates are sent to the client over a SignalR connection.
  • Blazor WebAssembly: Components run entirely client-side in the browser using WebAssembly.
• Dependency Injection: Blazor integrates seamlessly with .NET's built-in dependency injection system.
• Routing: Blazor provides a flexible routing mechanism for navigating between different components.

Why Choose Blazor?

• Use C# for the entire stack: Develop both server and client-side logic with C#.
• Code Reuse: Share code between client and server.
• Productivity: Leverage the power and familiarity of .NET and C#.
• Performance: Blazor WebAssembly offers near-native performance by running C# code in the browser.
• Ecosystem: Access the vast .NET ecosystem and libraries.

Getting Started

To start building Blazor applications, you'll need the .NET SDK installed. You can create a new Blazor project using the .NET CLI:

dotnet new blazorwasm -o MyBlazorApp
cd MyBlazorApp
dotnet run

This will create a new Blazor WebAssembly application. For Blazor Server applications, use:

dotnet new blazorserver -o MyBlazorServerApp
cd MyBlazorServerApp
dotnet run

Explore Further

Dive deeper into specific topics by navigating the documentation on the left. Learn about building reusable components, handling user interactions, managing application state, and deploying your Blazor applications.