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ASP.NET Core Articles, Tutorials & News
ASP.NET Core articles, tutorials, and news from the DotNetNews archive.
1533 articles Updated Page 24 of 62
Browse additional ASP.NET Core articles from the DotNetNews archive.
ASP.NET Core articles
Page 24 of 62
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ASP.NET Core 2.3 end of support announcement
Microsoft Dev Blogs Issue #434
ASP.NET Core 2.3 will reach end of support on April 7, 2027. Learn what this means for your applications and how to upgrade to a modern supported version of .NET. The post ASP.NET Core 2.3 end of sup...
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Beyond /health: Building Self‑Monitoring .NET Services
Medium Issue #431
Turning health checks into a continuous runtime signal
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How to Fix “Object Reference Not Set to an Instance of an Object” in C#?
C# Corner Issue #431
Master the dreaded 'Object reference not set' error in C#! Learn to identify, fix, and prevent NullReferenceExceptions with practical C# and ASP.NET Core examples.
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The Hidden Power of .NET: IHostedService vs BackgroundService
Medium Issue #431
When you develop a modern web application, everything doesn’t just start with a request and end with a response. Behind the scenes, there…
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The quickest way to edit code??
YouTube Issue #430
Mastering Connection Pooling with Dapper in ASP.NET Core Web API
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IOptions, IOptionsSnapshot & IOptionsMonitor in .NET so much choice 4 something simple like settings
Medium Issue #430
URL Pattern Matching in .NET
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From Request to Response: A middleware journey in .NET
Medium Issue #429
Let’s dive into the world of middleware in .NET.
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Modernizing .NET — Part 18: OAuth Authentication in ASP.NET Core
Medium Issue #429
Master the transition to OAuth in ASP.NET Core, from reverse proxy scheme detection to legacy redirect URI handler overrides.
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Entity vs DTO vs ViewModel in ASP.NET Core: What Every .NET Developer Must Know
Medium Issue #428
Early in my career building enterprise .NET applications, I made a mistake I see constantly in code reviews and mock interviews: I…
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How to Add JWT Authentication to SignalR Hubs in ASP.NET Core
Dev Tips Issue #428
Learn how to secure SignalR hubs with JWT Bearer authentication, role-based and claim-based authorization in ASP.NET Core. Pass JWT tokens via query string for SignalR hub. Build a real-time stock pri
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Using Claude AI APIs in ASP.NET Core Applications (2026 Guide)
C# Corner Issue #428
Integrate Claude AI with ASP.NET Core! This 2026 guide covers API integration, architecture, best practices, and code examples for building intelligent apps.
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High-Velocity Connection Pooling with Dapper and ASP.NET Core
C# Corner Issue #428
Optimize Dapper connection pooling in ASP.NET Core for high-traffic APIs! Prevent connection exhaustion with factories, proper disposal, and async calls. Boost performance and resilience!
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Structured Logging with Serilog in ASP.NET
Medium Issue #427
Serilog is a powerful, flexible, and easy-to-use logging library for .NET that enables developers to capture structured, queryable logs…
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ASP.NET Core + JWT + OAuth 2.0 — Authentication Done Right in 2026
Medium Issue #426
Most .NET auth tutorials show you what works in a demo. This one shows you what survives production — with token refresh, role-based…
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What is Dependency Injection in ASP.NET Core?
C# Corner Issue #426
Unlock the power of Dependency Injection (DI) in ASP.NET Core! Learn how DI promotes loose coupling, improves testability, and builds scalable applications. Master DI today!
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How to Implement JWT Authentication in ASP.NET Core Step by Step
C# Corner Issue #426
Secure your ASP.NET Core APIs with JWT! This step-by-step guide covers implementation, best practices, and common pitfalls for robust authentication. Build secure, scalable web apps.
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Complete Guide to HTML Helpers in ASP.NET MVC
C# Corner Issue #426
Master ASP.NET MVC development with HTML Helpers! This guide covers all essential helpers, from form creation to validation, with clear examples and best practices. Simplify your Razor views!
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Building Scalable SaaS with Multi-Tenant Architecture in .NET
Medium Issue #425
Multi-tenant architecture has become a cornerstone in modern SaaS application design, especially within the .NET ecosystem. As businesses…
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IOptions vs IOptionsSnapshot vs IOptionsMonitor in .NET — Pick the Right One
Medium Issue #425
You open a .NET project. You write something in appsettings.json. You inject IOptions<T> into your service. Everything works. Life is good.
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A Generic Query Engine for Data Grids in C# (Part 1)
Medium Issue #425
Every data grid sends filters and sort orders to your API. If you’re writing that logic per entity, you’re doing it wrong.
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A Generic Query Engine for Data Grids in C# (Part 2)
Medium Issue #425
Before any expression tree is built, the engine must decide what’s allowed in — and what gets rejected at the door.
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Preventing Overposting in ASP.NET Core JSON Patch APIs
Medium Issue #425
A custom Model Binder that enforces field-level access control using annotations
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Mastering the Options Pattern in .NET
Medium Issue #425
If you’ve spent any time building APIs or microservices in ASP.NET Core, you’ve dealt with configuration. API keys, database connection…
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ASP.NET Core .NET 10 Program.cs Explained: The Complete Guide to Everything You Can Configure
Medium Issue #424
When developers first start working with ASP.NET Core, the Program.cs
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Building an AI-Powered Translator App Using Angular, .NET Core, and Python
Medium Issue #424
Introduction