The .NET News Daily Issue #319

Your Daily Dose of .NET Insights, Tools, and Trends

On this quirky Wednesday, as you wrangle your midweek code like a seasoned cowboy taming a wild stallion, we've got your lasso ready with today's .NET roundup! Prepare to elevate your development skills with insights sharper than Clint Eastwood's stare, ensuring your journey through the tangled spaghetti of code highways is smoother and more rewarding. Whether you're wrangling bits or crafting elegant lines of code, our selection of articles is here to transform your hump day into a burst of inspiration and practical know-how. Keep scrolling to find your secret weapon in the Wild West of .NET development!

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Today's Articles

ASP.NET Core Monitoring & Logging Mastery | Proactive Application Insights (Part-34 of 40)

https://www.c-sharpcorner.com/article/asp-net-core-monitoring-logging-mastery-proactive-application-insights-part/

Master ASP.NET Core monitoring and logging with this comprehensive guide. Learn to proactively use Application Insights, structured logging, health checks, and alerting to build observable, production...

Deploy Azure Apps Automatically Using Azure Pipelines (YAML)

https://www.c-sharpcorner.com/article/deploy-azure-apps-automatically-using-azure-pipelines-yaml/

Automate Azure app deployments with Azure Pipelines using YAML! This tutorial guides you through creating a CI/CD pipeline for seamless updates to App Service or Function Apps.

⚡ One Trick To Improve EF Core Performance Using Query Splitting.

https://medium.com/@mariammaurice/one-trick-to-improve-ef-core-performance-using-query-splitting-e94da9b2feb4

Often the simplest change — AsSplitQuery()  — yields the biggest production performance improvement when you’re using multiple Include()s.”…

Introducing Custom Agents for .NET Developers: C# Expert & WinForms Expert - .NET Blog

https://devblogs.microsoft.com/dotnet/introducing-custom-agents-for-dotnet-developers-csharp-expert-winforms-expert/

Introducing C# Expert and WinForms Expert: experimental custom agents that help .NET developers write better code with GitHub Copilot.

Understanding the worst .NET vulnerability ever: request smuggling and CVE-2025-55315

https://andrewlock.net/understanding-the-worst-dotnet-vulnerability-request-smuggling-and-cve-2025-55315/

In this post I discuss request smuggling, the recent vulnerability in ASP.NET Core with a severity score of 9.9, and how attackers could exploit it

Understanding HashSet in C#: Internal Working, Advanced Concepts & Performance Insights

https://medium.com/@pavanpitthdiya/understanding-hashset-in-c-internal-working-advanced-concepts-performance-insights-f56ec1ce5adf

If you’ve worked with collections in C#, you’ve likely used List<T>, Dictionary<TKey, TValue>, or HashSet<T> — but do you really know how…

ASP.NET Core Custom Middleware: Faster, Cleaner Pipelines

https://amarozka.dev/aspnet-core-custom-middleware/

Learn to build and place custom middleware for logging, localization, and multi‑tenancy to speed up ASP.NET Core apps and simplify code. Continue reading on .Net Code Chronicles »

Join us at .NET Conf: Dive into the future of development with Visual Studio 2026

https://devblogs.microsoft.com/visualstudio/join-us-at-net-conf-dive-into-the-future-of-development-with-visual-studio-2026/

We're thrilled to invite you to one of the most exciting events in the .NET ecosystem: .NET Conf. It runs from November 11th through the 13th and you’re invited! This annual virtual conference is a mu...

Build a Custom LangChain Chat Model from Scratch

https://www.c-sharpcorner.com/article/build-a-custom-langchain-chat-model-from-scratch/

Learn how to create a fully customized chat model using LangChain, OpenAI API, and Python. Includes step-by-step implementation, architecture diagram, and optimization insights.

Purpose of UpdatePanel in ASP.NET WebForms

https://www.c-sharpcorner.com/blogs/purpose-of-updatepanel-in-asp-net-webforms

Master ASP.NET WebForms UpdatePanel! Learn how to implement partial page updates, improve user experience, and avoid full page reloads with a real-time example.

Asynchronous Programming in C#: async and await

https://www.c-sharpcorner.com/article/asynchronous-programming-in-c-sharp-async-and-await/

Unlock ASP.NET WebForms performance with async/await! Prevent page freezes during long operations like API calls. See a practical example & real-world use cases.

Stop Overusing LINQ — This Pattern Is Faster

https://medium.com/@mohsho10/stop-overusing-linq-this-pattern-is-faster-0d7ce0f7168e

(Because beauty has a cost in hot paths.)

Full-Stack ASP.NET Core Project: Build AI E-Commerce Platform with Cloud, Microservices & Blazor(Part-40 of 40)

https://www.c-sharpcorner.com/article/full-stack-asp-net-core-project-build-ai-e-commerce-platform-with-cloud-micros/

Build a full-stack AI e-commerce platform with ASP.NET Core 8, Blazor, and microservices. This comprehensive tutorial covers cloud deployment (Azure/AWS), real-time features (SignalR), and production ...

Mastering the Magic of C#: From Basics to Brilliance

https://www.c-sharpcorner.com/article/mastering-the-magic-of-c-sharp-from-basics-to-brilliance/

Unlock the power of C#! This guide covers everything from basic syntax to advanced features like OOP, async programming, and pattern matching. Build web, mobile, and AI apps!

What distinguishes a single Agent (AI Agent) vs a multi-agent system / Agentic AI system?

https://www.c-sharpcorner.com/article/what-distinguishes-a-single-agent-ai-agent-vs-a-multi-agent-system-agentic-a/

Explore the difference between single AI agents and multi-agent (Agentic) AI systems. Learn how they collaborate, adapt, and automate complex tasks efficiently.

dotnet run App.cs: why .NET 10’s file-based apps unlock a new wave of use cases

https://blog.devgenius.io/dotnet-run-app-cs-why-net-10s-file-based-apps-unlock-a-new-wave-of-use-cases-48faf4c38771

.NET 10 lets you run a single C# file directly — dotnet run App.cs — with no .csproj required. You can pull NuGet packages inline, switch… Continue reading on Dev Genius »

Creating Your First GitHub Repository

https://www.c-sharpcorner.com/article/creating-your-first-github-repository/

Learn how to create your first GitHub repository with this comprehensive guide! Master the fundamentals of version control, collaboration, and project management. Discover the importance of README fil...

⚙️ Mastering Exception Handling in .NET Core — Complete Guide with Examples

https://www.c-sharpcorner.com/article/mastering-exception-handling-in-net-core-complete-guide-with-examples/

Master .NET Core exception handling! Learn try-catch, global handlers, middleware, custom exceptions, and logging for robust & user-friendly apps.

Avoiding the “God Controller”: How to Refactor Your ASP.NET Core APIs

https://medium.com/@kittikawin_ball/avoiding-the-god-controller-how-to-refactor-your-asp-net-core-apis-2724256b2169

Transform your large controllers into clean, testable, and maintainable code the right way.

API Key Auth in .NET 9 (Clean Architecture, Minimal APIs) — A No-Drama, Copy-Paste Guide

https://medium.com/@michaelmaurice410/api-key-auth-in-net-9-clean-architecture-minimal-apis-a-no-drama-copy-paste-guide-1da57482a982

If you want the full source code, join our community: Here

Understanding base() vs this() in C# Constructors — A Deep Dive

https://medium.com/@pavanpitthdiya/understanding-base-vs-this-in-c-constructors-a-deep-dive-a4c58f672a43

“Constructors build the foundation of your class hierarchy — understanding how base() and this() work gives you full control over object…

Mastering Facet: A guide to Type-Safe Projections in C#

https://medium.com/@timmaes/mastering-facet-a-guide-to-type-safe-projections-in-c-d06f552a99ae

In this post, I want to highlight Facet’s features and demonstrate how to use them with concrete examples. From generating your DTO’s and…

What Are Events in .NET Framework?

https://www.c-sharpcorner.com/article/what-are-events-in-net-framework/

Unlock the power of .NET events! Learn how publishers and subscribers communicate using delegates, creating responsive and decoupled applications. Master event handling in C#.

Akka.NET + Kubernetes: Everything You Need to Know

https://petabridge.com/blog/akkadotnet-guide-to-kubernetes/

Production lessons from years of running Akka.NET clusters at scale