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.NET Core Articles, Tutorials & News
.NET Core articles, tutorials, and news from the DotNetNews archive.
1589 articles Updated
This DotNetNews topic collects .NET Core tutorials material from the daily archive. .NET Core is a recurring focus for C# and .NET developers working in the Microsoft ecosystem. The page is for people who already ship C# and need a faster way to find relevant posts.
Expect publisher tutorials, release notes, architecture write-ups, and field notes linked from DotNetNews issues. Start here is a short editorial shortlist for .NET Core; the archive list is chronological and larger. Nothing here claims every article was production-tested by the editors.
Recurring subtopics in recent issues include cross-platform .NET, .NET Core migration, building, and asp.net. Secondary angles such as .NET Core and .NET Core tutorials appear when the archive actually covered them. Related hubs such as ASP.NET Core and .NET 8 cover adjacent problems.
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 .NET Core
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Microservices Communication with RabbitMQ and .NET Core
ngcheehou.medium.com Issue #502
Basic microservices messaging material, but still useful for readers new to RabbitMQ patterns in .NET.
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Hangfire Jobs in .NET Core: Complete Guide to Background Job Processing
c-sharpcorner.com Issue #501
Good refresher on Hangfire fundamentals if you need reliable background processing without building the plumbing yourself.
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[.NET Versions Explained]: Confusion- .Net
medium.com Issue #496
Do you know the difference between .NET, .NET Standard, .NET Framework, .NET Core, ASP.NET, and ASP.NET Core?
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Dependency Injection in .NET Core
medium.com Issue #494
🚀 Dependency Injection in .NET finally clicked for me… and here’s the explanation I wish someone had given me on Day 1.
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ASP.NET MVC to ASP.NET Core Migration NuGet Packages: Modernization Guide
faciletechnolab.com Issue #478
Useful modernization inventory for teams sorting what survives an MVC to Core move.
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Top .NET Core Background Job Tools
faciletechnolab.com Issue #475
Useful survey material for teams choosing between simple job runners and broader workflow orchestration platforms.
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C#: Should This Service Be Singleton, Scoped, or Transient?
pietschsoft.com Issue #472
Singleton vs. Scoped vs. Transient is deceptively simple; wrong choice breaks concurrency or leaks state.
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Reverse Engineering an API in .NET Core – Complete Practical Example
c-sharpcorner.com Issue #472
Reverse engineering undocumented APIs is sometimes necessary; document your own APIs instead.
Archive
Page 1 of 64
Newest first
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LongRunning MCP Tools .NET What Actually Happens When Your ToolCall Outlives the Client's Patience
topuzas.medium.com Issue #534
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Add Blazor to Your WPF App — Without Rewriting It
medium.com Issue #533
VECTOART · DIGITAL SOVEREIGNTY SERIES · VIDEO 09
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.NET Data Community Standup: How to start contributing to Entity Framework Core
youtube.com Issue #533
Learn how to start contributing to the Entity Framework Core project. Where to start. How to build the repository. How it is layered. How tests work. Etc. 🎙️ Featuring: Jiri Cincura #efcore #ef #dotn...
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Grand Larceny Auto: Manually Unpacking a ConfuserEx-Protected .NET/Godot CTF Challenge
medium.com Issue #533
A hands-on walkthrough of defeating rename obfuscation, control-flow flattening, caller-bound string encryption, and a logic bug in a…
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What Actually Happens When You Use async and await in .NET?
malshikay.medium.com Issue #533
If you work with .NET, you have probably written code like this:
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PostgreSQL 19 Beta 3: Testing Temporal Tables with EF Core
c-sharpcorner.com Issue #533
Learn how to test PostgreSQL 19 Beta 3 temporal tables with EF Core, including temporal queries, compatibility testing, and potential query behavior changes.
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PostgreSQL 19 SQL/PGQ: Building Property Graph Queries with .NET
c-sharpcorner.com Issue #533
Learn how PostgreSQL 19 SQL/PGQ enables property graph queries and explore how .NET applications can model relationships, traverse graphs, and query connected data.
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How to Set Excel Cell Background in C# (Solid, Texture, and Gradient)
medium.com Issue #533
Are you looking to make your Excel reports more visually appealing and easier to interpret? Whether you need to highlight critical KPIs…
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.NET 11 HTTP Connection Eviction: Testing DNS Failover in Long-Lived APIs
c-sharpcorner.com Issue #532
Test .NET 11 HTTP connection eviction for long-lived APIs and evaluate DNS failover, connection reuse, backend changes, and request reliability.
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Finding the total number of processors on a machine with .NET
andrewlock.net Issue #532
In this post I show how to find the total number of logical CPUs on a host (not just those available to a process); something that isn't exposed in modern .NET
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The Evolution of Program.cs File in .NET Applications
benedictodoh.medium.com Issue #532
In standard .NET applications, the Program.cs file has always been the entry point into the application. Over the years, its structure has…
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C# 15 Unsafe Model: Auditing Existing Native Interop Code for .NET 11
c-sharpcorner.com Issue #532
Learn how to audit existing C# native interop and unsafe code for C# 15 and .NET 11, focusing on compatibility, safety, migration risks, and best practices.
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Distributed Tracing in ASP.NET Core: From HTTP to the Queue with OpenTelemetry
medium.com Issue #531
OpenTelemetry gets the HTTP half of a distributed trace right automatically: two services, one trace, zero manual wiring. The interesting…
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ASP.NET Core 11 Form Validation: Testing Static SSR Under Concurrent Requests
c-sharpcorner.com Issue #531
Test ASP.NET Core 11 form validation with Static SSR under concurrent requests and evaluate validation behavior, throughput, latency, and server performance.
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Optimizing Core Web Vitals and Technical Performance in ASP.NET Core Applications
c-sharpcorner.com Issue #531
Learn how to optimize Core Web Vitals and technical performance in ASP.NET Core applications. This developer guide covers response compression, static asset caching, and layout shift fixes.
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ASP.NET Core Architecture Patterns for High-Growth Software Products
medium.com Issue #530
Most ASP.NET Core projects don’t fail because of bad code, they fail because of those architecture choices that made sense when the…
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Still Using Task.Run() in ASP.NET Core? Fix C# Async Await the Right Way
medium.com Issue #530
Your ASP.NET Core API is slow, so you add Task.Run() and expect things to get better.
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Stop ignoring API failures. Use Polly
roundthecode.com Issue #530
API calls fail. Learn how to add Polly to an ASP.NET Core Web API to handle retries, circuit breakers and timeouts.
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How to implement HMAC authentication in ASP.NET Core - InfoWorld
infoworld.com Issue #530
How to implement HMAC authentication in ASP.NET Core InfoWorld
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Benchmarking .NET Worker Services Under CPU and Memory Pressure
c-sharpcorner.com Issue #529
Benchmark .NET Worker Services under CPU and memory pressure by measuring throughput, queue backlogs, garbage collection, latency, resource usage, and application stability.
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Rubbish Code, Clean Memory: Understanding the .NET Garbage Collector
truestorydavestorey.medium.com Issue #529
Automatic memory management is a cornerstone of what makes many modern programming languages and runtimes so appealing to many engineers…
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Fast Focus: Using Copilot to Build Migration Tools
youtube.com Issue #528
Migrating can be tough. Moving between versions of a package, or a different package altogether, can be a frustrating experience. With Copilot, you can leverage its' capabilities to create tools as a ...
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Building Browser Automation Agents with Playwright and .NET
c-sharpcorner.com Issue #528
Build browser automation agents with Playwright and .NET that can navigate websites, interact with web pages, execute controlled actions, and apply production-ready agent safety guardrails.
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.NET Toolbox August Update
steven-giesel.com Issue #528
Quite some time passed since I posted a changelog to the .NET Toolbox . And there are big news: The Toolbox is running dotnet native in the browser thanks to wasm and Mono!
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How to run .NET tools without the SDK
cazzulino.com Issue #527
.NET 10 shipped dnx (dotnet tool exec): one-shot nuget tools, npx-style. You don’t install them. You just run dnx stop and it downloads into the nuget cache and starts. NOTE: I’m using stop as the sam...