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BENDA_N's avatar
BENDA_N
Copper Contributor
Apr 01, 2025

Build Scalable Web Apps and APIs with ASP.NET Core, Blazor, Angular for Modern Web Apps

I’m starting this discussion because many developers today need guidance on how to build modern, scalable web applications and APIs by combining ASP.NET Core, Blazor, and Angular—three powerful technologies within the .NET ecosystem. Whether you're focused on server-side development, creating dynamic client-side apps, or integrating both, these frameworks provide incredible capabilities to enhance your projects

  1. ASP.NET Core for API Development: ASP.NET Core is a robust, high-performance framework that allows you to create powerful APIs. Some of the best practices we’ll cover include:
    - Designing RESTful APIs with ASP.NET Core
    - Utilizing Entity Framework Core for efficient database access
    - Securing APIs with JWT and OAuth
    - Handling asynchronous requests for optimal performance
    - Implementing API versioning and changes over time
  2. Building Dynamic Web Apps with Blazor: Blazor enables you to create interactive web applications using C# instead of JavaScript. We will discuss:
    - Blazor Web Assembly vs. Blazor Server: Differences and use cases
    - Creating reusable Blazor components for UI
    - Integrating third-party JavaScript libraries with Blazor
    - Using SignalR for real-time features
    - Optimizing Blazor for performance
  3. Angular for Full-Featured Client-Side Development: Angular is a powerful, full-featured front-end framework that excels in creating dynamic and complex user interfaces. In this section, we'll dive into:
    - Why you might choose Angular over Blazor in certain cases
    - Using Angular CLI to scaffold, build, and maintain apps
    - Managing state in Angular with NgRx or RxJS
    - Connecting Angular with ASP.NET Core APIs for data handling
    - Working with Angular components, services, and routing for a seamless user experience
  4. Combining Angular and Blazor in a Single Application: You may have use cases where you want to combine both Blazor and Angular in one application to leverage the strengths of each framework:
    - When to use Angular for complex frontend features (e.g., dynamic forms, complex data visualization) and Blazor for simpler components or backend-heavy apps.
    - Managing communication between Angular and Blazor components in a single page (e.g., using - JavaScript Interop to pass data between the two).
    - Handling authentication and state management across both frameworks.
  5. Integration between Frontend (Blazor/Angular) and Backend (ASP.NET Core): No matter whether you're using Angular or Blazor for the frontend, integrating these with your backend API is key. We'll discuss:
    - Setting up HttpClient for making API calls from both Blazor and Angular
    - Working with SignalR to enable real-time features in both frontends
    - Managing authentication and authorization across both Angular and Blazor (JWT, OAuth)
    - Best practices for passing data and sharing state between the frontend and backend
  6. Scalable and Maintainable Web Apps: When building full-stack web applications, it's important to focus on scalability and maintainability. Here are some practices for achieving this:
    - Structuring your application code to separate concerns (e.g., services, components, repositories)
    - Utilizing Dependency Injection for flexible and testable code
    - Modularizing your codebase for easier updates and maintenance
    - Using Lazy Loading for Angular and Blazor components to improve performance
    - Leveraging Caching strategies to enhance response times
  7. Testing and Continuous Deployment: For any modern application, testing and deployment are crucial. We’ll discuss:
    - Unit and integration testing in ASP.NET Core, Blazor, and Angular
    - Automated end-to-end testing (e.g., with Cypress for Angular, bUnit for Blazor)
    - Continuous Integration/Continuous Deployment (CI/CD) strategies for seamless deployment to cloud platforms like Azure or AWS
  8. When to Choose Angular, Blazor, or Both: It’s essential and interesting to know when to use each of these frameworks depending on your project’s needs. Some scenarios we’ll explore:
    - When to go for Blazor for a unified C# experience in both frontend and backend
    - Why you might opt for Angular when building highly interactive, feature-rich web applications
    - Hybrid approaches where you can use Blazor and Angular together for a robust full-stack solution

SO:

Combining ASP.NET Core, Blazor, and Angular allows developers to choose the right tool for the right job, creating flexible, scalable, and maintainable web applications. Whether you’re leveraging Blazor for its deep integration with .NET or Angular for its powerful frontend capabilities, these technologies offer a powerful suite of tools to build modern web applications.

What are your thoughts? How have you integrated Angular or Blazor with ASP.NET Core in your projects? Share your experiences and challenges, and let's collaborate on solutions!

2 Replies

  • Vipul0685's avatar
    Vipul0685
    Copper Contributor

    Using Angular for the frontend and ASP.NET Core for the backend offers a powerful stack for building modern web applications. Angular's strengths lie in its component-based architecture, strong TypeScript support, and two-way data binding, while its learning curve and verbose syntax can be challenging. ASP.NET Core stands out for its cross-platform capabilities, high performance, and robust tooling, though managing middleware and library dependencies can be complex.

    Together, they provide a modular and scalable architecture with seamless API communication, ideal for SPAs and cloud-ready applications.

  • Aasritha's avatar
    Aasritha
    Copper Contributor

    I have experience working with ASP.NET Core and Angular and have successfully integrated both technologies, allowing for scalable, flexible, and maintainable web applications. This integration has helped in efficiently managing front-end and back-end concerns while ensuring a seamless user experience. While I haven’t worked with Blazor yet, this discussion has sparked my interest.. particularly its ability to use C# for full-stack development. I’m eager to explore its capabilities and see how it compares to Angular in terms of performance and flexibility.

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