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ASP.NET Core Articles, Tutorials & News
ASP.NET Core articles, tutorials, and news from the DotNetNews archive.
1474 articles Updated Page 19 of 59
Browse additional ASP.NET Core articles from the DotNetNews archive.
ASP.NET Core articles
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Understanding Middleware in .NET
Medium Issue #466
Whenever a request hits an ASP.NET Core application, it doesn’t directly go to your controller or endpoint. Before that happens, the…
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The Hidden Cost of ToList() in .NET APIs
Medium Issue #466
We all use it ToList() everywhere. It looks harmless. But in production systems? ToList() quietly becomes one of the biggest performance…
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Add a Live Observability Dashboard to Your ASP.NET
Medium Issue #466
No Grafana. No Datadog. No YAML. Just visibility.
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️ Modernizing .NET — Part 26: Implementing Rate Limiting Middleware in ASP.NET Core
Medium Issue #466
Boost performance and stability with ASP.NET Core Rate Limiting Middleware. Control concurrency and prevent service unresponsiveness.
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Building JWT Authentication with React + ASP.NET Core Web API
Medium Issue #465
Authentication is one of the first real-world features most developers build when creating full-stack applications. In this article, we’ll…
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C#: Should This Service Be Singleton, Scoped, or Transient?
Chris Pietschmann Issue #465
One of the most common ASP.NET Core dependency injection questions sounds simple:
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Modernizing a Legacy .NET App with GitHub Copilot
YouTube Issue #465
Starting with a real-world ASP.NET Web Forms application, Krystal demonstrates how GitHub Copilot agents, planning mode, and security assessments can help teams upgrade legacy code, migrate databases,...
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️ Modernizing .NET — Part 25: Rate Limiting Concepts and Strategies
Medium Issue #465
Discover why rate limiting is your service’s “last line of defense.” Protect your .NET app from resource exhaustion and crashes.
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Blazor - How to set a base component for all Razor components
Meziantou's blog Issue #465
When building a Blazor application, you may want a custom base component for all your Razor components. This is useful for sharing common functionality like cancellation tokens, logging, or state mana...
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Rate Limiting in ASP.NET Core (.NET 10) - Complete Guide
codewithmukesh Issue #464
Production-grade rate limiting in ASP.NET Core .NET 10. All 4 algorithms, partitioning, Redis backplane, OnRejected with Retry-After, multi-tenant tiers, and a real decision matrix.
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How to upload files in an ASP.NET Core Web API
elmah.io Blog - .NET Technical tutorials/guides and new features Issue #462
Files are an integrated part of an application. From a social app to an ERP, some form of media exists in the ecosystem. .NET Core APIs provide built-in support for uploading and fetching documents. I...
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10 .NET 10 API Anti-Patterns That Break Production (And How to Fix Them)
codewithmukesh Issue #462
10 ASP.NET Core anti-patterns that break production in .NET 10 - async void, sync-over-async, fat controllers, runtime-reflection mappers in AOT, and the 2026 ones.
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Modernizing .NET — Part 24: Modern Monitoring with Prometheus and Grafana
Medium Issue #461
Master application observability in .NET Core. Learn to implement OpenTelemetry, Prometheus, and Grafana for professional monitoring.
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Understanding Singleton, Scoped, and Transient in .NET
Medium Issue #461
Dependency Injection is one of the most commonly used features in ASP.NET Core applications.
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Stop Reading appsettings.json Like It’s 2015 — The Options Pattern in .NET
Medium Issue #461
A small habit that quietly fixes type safety, validation, and 3 AM production surprises.
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25 Real-Time .NET Core Production Issues Every Senior Developer Must Solve
Medium Issue #460
Real production issues, Azure architecture decisions, API bottlenecks, and microservices debugging scenarios for 8+ years of experienced…
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Key Features of Modern .NET Applications That Improve Business Performance
Medium Issue #460
In today’s competitive digital landscape, businesses need applications that are secure, scalable, and capable of adapting to changing…
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How to Launch a SaaS App Faster Using a Production-Ready Boilerplate
Medium Issue #460
👉 Want to skip weeks of setup and start building your SaaS immediately? Get instant access here…
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The HttpClient Mistake That Quietly Breaks .NET Apps in Production
Medium Issue #460
“Works perfectly on localhost. Crashes in production.”
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Getting the Client IP Address in ASP.NET Core
Rick Strahl's Weblog Issue #459
When I need to pick up the client IP Address in ASP.NET Core I always forget where to find the connection information. It's simple enough: HttpContext?.Connection?.RemoteIpAddress but I never reme...
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Securing Swagger, Scalar, and Health Endpoints in ASP.NET
Medium Issue #459
🚨 Your API Might Be Secure… But Your Swagger UI Isn’t
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.NET 11 Preview 4 is now available!
Microsoft Dev Blogs Issue #458
Find out about the new features in .NET 11 Preview 4 across the .NET runtime, SDK, libraries, ASP.NET Core, .NET MAUI, C#, Entity Framework Core, and more! The post .NET 11 Preview 4 is now available...
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Refactoring an ASP.NET Core API with clean architecture
Round The Code Issue #457
Learn how to refactor an ASP.NET Core API using clean architecture by separating validation, business logic, and database access into clear layers. The page Refactoring an ASP.NET Core API with clean ...
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38 | Entity Framework Core In ASP.NET Core 6 | EF Core 6 | Entity Framework | ASP.NET (Hindi/Urdu) (A7zfiZo5l3)
""charp" OR "asp.net" OR "fsharp" OR "c#" OR "vb.net" " - Google News Issue #457
38 | Entity Framework Core In ASP.NET Core 6 | EF Core 6 | Entity Framework | ASP.NET (Hindi/Urdu) (A7zfiZo5l3)
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Optimistic Concurrency in EF Core 10: ASP.NET Core Web API Guide
codewithmukesh Issue #456
Learn how to prevent data conflicts in ASP.NET Core Web API using optimistic concurrency with EF Core 10. RowVersion tokens, conflict resolution, retry strategies, and a decision matrix.