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.NET Core Articles, Tutorials & News
.NET Core articles, tutorials, and news from the DotNetNews archive.
1670 articles Updated Page 2 of 67
Browse additional .NET Core articles from the DotNetNews archive.
.NET Core articles
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How to Handle CancellationToken Correctly in ASP.NET Core
C# Corner - Nidhi Sharma Issue #566
Learn how to propagate CancellationToken through ASP.NET Core endpoints, services, EF Core queries, and HttpClient calls to stop unnecessary work when requests are aborted.
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MCP Just Got Skills Built In, Here’s What Changes for .NET Developers
Medium - Ali Süleyman TOPUZ Issue #566
I run a few MCP servers in production on ASP.NET Core. On September 13, SEP-2640 merged and Skills became an official MCP extension. This…
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.NET Interview Questions and Answers: A Complete Guide with Real-World C# Examples
Medium - Pavan pitthdiya Issue #565
Understand the .NET runtime, C# fundamentals, asynchronous programming, ASP.NET Core, microservices, performance optimization, and Entity…
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Secure Password Hashing and Verification in ASP.NET Core
C# Corner - Sardar Mudassar Ali Khan Issue #564
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Use C# Unions With System.Text.Json in ASP.NET Core APIs
C# Corner - Riya Patel Issue #564
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Architecting Robust ASP.NET Core Applications with Clean and Onion Architecture
C# Corner - Sardar Mudassar Ali Khan Issue #564
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How to stop passing UserId through every layer
Medium - Alex Khanuckaev Issue #564
Using DI to clean up deep call chains in ASP.NET Core
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Scheduled PDF and Excel report emails in ASP.NET Core with Quartz.NET
Medium - Dotnet Report Builder Issue #563
By Razi Syed. Sample code: github.com/dotnetreport/dotnetreport-scheduled-reports
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Robust API Verification: Writing Unit Tests for ASP.NET Core Webhook Controllers Using xUnit and FluentAssertions
C# Corner - Sardar Mudassar Ali Khan Issue #563
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Mastering CQRS and MediatR in Clean Architecture for ASP.NET Core
C# Corner - Sardar Mudassar Ali Khan Issue #562
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Securing Your ASP.NET Core API: Adding JWT Bearer Authentication to Swagger
C# Corner - Sardar Mudassar Ali Khan Issue #562
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Beyond Standard Telemetry: Tracking Custom Metrics and Performance Counters with Application Insights in ASP.NET Core
C# Corner - Sardar Mudassar Ali Khan Issue #562
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Building File-Based Apps in .NET: A Complete Guide With Multi-File Support
Medium - Anton Martyniuk Issue #561
For years, even the smallest C# program required a solution file, a project file, and a folder structure. Continue reading on CodeX »
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Reloading appsettings.json Without Restarting the Application
no dogma blog Issue #561
Download full source code. I was chatting with a friend about reloading configuration within a .NET application. He was manually running a background worker that read from appsettings.json every few m...
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Supercharging Your ASP.NET Core MVC Project: A Complete Guide to Setting Up APIs with Swagger/OpenAPI
C# Corner - Sardar Mudassar Ali Khan Issue #560
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Build Your First MCP Server in C# with ASP.NET Core
C# Corner - Nithin Issue #560
Build a C# MCP server with ASP.NET Core, expose inventory tools over HTTP, and test them locally with the MCP Inspector.
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Building a Custom Webhook Receiver in ASP.NET Core for Azure Monitor Alerts
C# Corner - Sardar Mudassar Ali Khan Issue #560
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Bulletproof Testing: Integration Testing Web APIs with WebApplicationFactory
C# Corner - Sardar Mudassar Ali Khan Issue #560
Learn to integration test ASP.NET Core Web APIs with xUnit and WebApplicationFactory, including dependency injection overrides, in-memory databases, and end-to-end HTTP tests.
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Background Processing: Handling Long-Running Tasks Safely with Hosted Services
C# Corner - Sardar Mudassar Ali Khan Issue #560
Learn to process long-running ASP.NET Core Web API tasks safely with BackgroundService, IHostedService, and a thread-safe System.Threading.Channels queue.
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Building an Agentic System in .NET, Part 5: Designing an Agent Bus in ASP.NET Core
Medium - Mehdi Mohseni Issue #559
Multi-agent systems fail in boring ways: two agents claim the same task, a disconnected agent misses its hand-off, a heartbeat proves the…
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Multi-tenant reporting in ASP.NET Core: row-level security your users can’t bypass
Medium - Dotnet Report Builder Issue #559
By Razi Syed. Sample code for this article: github.com/dotnetreport/dotnetreport-multitenant-rls
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Boosting ASP.NET Core Performance: A Guide to Read-Only EF Core Queries
Medium - Rakibul H. Rabbi Issue #558
When building ASP.NET Core applications, it’s common to have multiple database contexts. You might have one for your main application…
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7 Mistakes I Made Building My First ASP.NET Core API (Tested on .NET 10)
Medium - Somnath Mukherjee Issue #558
A few hard-earned lessons from shipping my first Web API, and the fixes I wish I’d known on day one.
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Minimal APIs vs Controllers in ASP.NET Core: What Actually Matters in Production
C# Corner - Sagar Rane Issue #557