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ASP.NET Core Articles, Tutorials & News
ASP.NET Core articles, tutorials, and news from the DotNetNews archive.
1362 articles Updated
ASP.NET Core work shows up across many DotNetNews issues because teams keep hitting the same implementation questions. ASP.NET Core sits in the ASP.NET Core and broader Microsoft web stack that most C# services use.
Recurring subtopics in recent issues include ASP.NET Core middleware, ASP.NET Core hosting, asp.net, and building. When a subtopic never appears in the archive titles or excerpts, it is left out of this introduction.
Expect publisher tutorials, release notes, architecture write-ups, and field notes linked from DotNetNews issues. Start here is a short editorial shortlist for ASP.NET Core; the archive list is chronological and larger. Secondary angles such as ASP.NET Core and ASP.NET Core tutorials appear when the archive actually covered them. Cross-links to ASP.NET Core Web API and Blazor help when the problem spans more than one tag.
Each card points at the original publisher URL and the DotNetNews issue that carried it, so you can read the article in context or jump straight to the source.
Start here
Editor picks for ASP.NET Core
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Building Real-Time AI Chat Applications with WebRTC and ASP.NET Core
c-sharpcorner.com Issue #504
Covers building Real-Time AI Chat Applications with WebRTC and ASP.NET Core.
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Dependency Injection in ASP.NET Core Explained with Example | Complete Interview Guide
medium.com Issue #503
Basic topic, but still relevant; DI explanations remain useful when onboarding newer ASP.NET Core developers.
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Building an AI Agent Marketplace with ASP.NET Core and Semantic Kernel
c-sharpcorner.com Issue #503
Marketplace framing is broader than a simple demo, and Semantic Kernel keeps showing up as the glue layer for these apps.
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Dead Letter Queues (DLQ) in Kafka with ASP.NET Core
malshikay.medium.com Issue #502
Helpful introductory coverage of DLQs for Kafka consumers. Good foundational ops topic for service teams.
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Custom User Management in ASP.NET Core Web API (.NET 10)
codewithmukesh.com Issue #502
Practical user-management coverage for ASP.NET Core APIs, especially where Identity defaults don't fit cleanly.
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Problem Details in ASP.NET Core and .NET 10 | BEN ABT
medium.com Issue #502
Problem Details is one of those boring-on-paper topics that pays off quickly in API consistency.
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Why Modern ASP.NET Core Web APIs Use JWT Instead of Sessions
ajax-workspace.medium.com Issue #500
A straightforward API security primer that explains why stateless tokens fit modern multi-client apps better than server sessions.
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Identity API Endpoints in ASP.NET Core: When to Use Them (.NET 10)
codewithmukesh.com Issue #497
MapIdentityApi gives you register, login, and refresh for free in .NET 10.
Archive
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Newest first
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Building Asynchronous Messaging Pipelines with MassTransit and RabbitMQ
c-sharpcorner.com Issue #519
Build resilient, event-driven .NET apps with MassTransit & RabbitMQ. Decouple services, handle spikes, and ensure fault tolerance for high concurrency.
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Building AI-Ready APIs with Structured Output Validation in ASP.NET Core
c-sharpcorner.com Issue #519
Build robust AI-powered APIs in ASP.NET Core with structured output validation. Ensure reliable data integration and prevent downstream errors.
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ASP.NET Core REST API Development Guide
faciletechnolab.com Issue #519
A practical guide to building REST APIs with ASP.NET Core — routing, controllers, versioning, authentication, validation, error handling, and OpenAPI docs.
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Building Resilient HTTP Clients with Polly v9 and .NET 11
c-sharpcorner.com Issue #519
Build resilient .NET 11 HTTP clients with Polly v9. Master retry, timeout, and circuit breaker patterns for reliable service communication.
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Microservices with .NET: Architecture Patterns for Enterprise Teams
medium.com Issue #519
ASP.NET Application Development Services teams building enterprise platforms in 2026 face a recurring question: when does a monolith stop…
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ASP.NET Community Standup: What's new in .NET 11 Preview 7?
youtube.com Issue #519
Join the ASP.NET Core team for a tour of what's new for ASP.NET Core and Blazor in .NET 11 Preview 7: Output caching for Blazor, QuickGrid virtualization improvements, auto-pausing Blazor Server circu...
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Relational Where It Helps, JSONB Where It Must: Persisting IIIF Presentation 3 in PostgreSQL with…
ahmadminoo.medium.com Issue #519
A proof of concept using the real IIIF Manifest object model, EF Core owned entities, Razor Pages, PostgreSQL, and careful JSONB
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What Autofac and Scrutor Are Still For
medium.com Issue #519
Every .NET release swallows another reason to install a container. Here’s what’s left for Scrutor, and what still needs Autofac.
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Leveraging Built-In Rate Limiting and Output Caching in Modern .NET
c-sharpcorner.com Issue #519
Boost .NET API performance with built-in rate limiting & output caching. Protect against abuse & reduce database load efficiently.
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Modern authentication in ASP.NET Core with 2FA and passkey
blog.elmah.io Issue #519
This walkthrough builds a .NET 10 ASP.NET Core Web API (TwoFaNET10) implementing two-factor authentication and WebAuthn/FIDO2 passkey login, using Microsoft.AspNetCore.Identity.EntityFrameworkCore wit...
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Entity Framework N+1 in a Report Loop: The Pre-Fetch Fix Was Going to Crash Large Tenants
medium.com Issue #519
he query loop was firing once per row. The obvious fix loaded the entire tenant’s history into memory. Neither was acceptable.
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Diagnosing Thread Pool Starvation in ASP.NET Core APIs
c-sharpcorner.com Issue #519
Diagnose and fix ASP.NET Core API Thread Pool starvation. Learn to identify slow responses caused by blocked threads, not just slow databases.
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How I Extended Polly’s Resilience Pipeline with a Custom IOptionsMonitor
medium.com Issue #519
From feature request to merged PR: exposing a hidden path in Polly’s resilience pipeline.
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How to Resolve SQL Server Error 40 ("Could Not Open a Connection to SQL Server")
c-sharpcorner.com Issue #519
Resolve SQL Server Error 40 in ASP.NET Core. Troubleshoot connection issues with Entity Framework Core, connection strings, and configuration.
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Designing High-Throughput File Processing Pipelines with .NET Channels
c-sharpcorner.com Issue #519
Design scalable .NET file processing pipelines with Channels. Learn producer-consumer, backpressure, and error handling for high throughput.
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The REPR Pattern in Minimal APIs: One Class, One Job
medium.com Issue #518
The REPR pattern — Request, Endpoint, Response — is a lightweight architectural convention that fixes this without dragging MVC’s…
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Building a Lightweight Web Analytics SDK & Real-Time Customer Journey Platform from Scratch
c-sharpcorner.com Issue #518
Build a lightweight web analytics SDK & real-time customer journey platform from scratch, focusing on performance, scalability, and developer experience.
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Building Distributed Rate Limiting with Redis and YARP Reverse Proxy
c-sharpcorner.com Issue #518
Learn to build robust distributed rate limiting for ASP.NET Core apps using Redis and YARP. Protect APIs from traffic spikes and abuse.
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Stop API Failures Before They Happen with ASP.NET Core Health Checks
medium.com Issue #518
“A successful API isn’t the one that works only during development — it is the one that can prove it’s healthy every second in production.”
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Minimal API: Dismissed by a Misunderstanding, Not by Its Limits
medium.com Issue #518
Separating the framework from the folklore.
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API Versioning Best Practices in ASP.NET Core 11
c-sharpcorner.com Issue #518
Master API versioning in ASP.NET Core 11. Learn strategies, implementation, and best practices for seamless evolution and backward compatibility.
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Practical Load Testing of ASP.NET Core APIs with k6 and OpenTelemetry
c-sharpcorner.com Issue #518
Master ASP.NET Core API load testing with k6 & OpenTelemetry. Ensure scalability, reliability, and performance under real-world traffic.
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Implementing AI Request Tracing Across Microservices with OpenTelemetry
c-sharpcorner.com Issue #518
Implement AI request tracing in ASP.NET Core microservices with OpenTelemetry for end-to-end observability, diagnosing latency, and failures.
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Implementing Enterprise-Grade Global Exception Handling via Custom Middleware
c-sharpcorner.com Issue #518
Implement enterprise-grade global exception handling in .NET Core using custom middleware for consistent JSON error responses and robust API error management.