The .NET News Daily Issue #321

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

As the week cruises toward the finish line, it's time to rev those mental engines for a final lap through the .NET universe. This Friday reflects the seasoned wisdom of Gen X, mixed with the high-octane thrill of discovering something new. Today’s articles are your pit stop, packed with insights sharper than a vintage Mustang’s V8. Buckle up and roll into a weekend enriched by code and creativity.

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Today's Articles

How Learning SQL Can Open Doors in the Age of Data

https://www.trevoirwilliams.com/how-learning-sql-can-open-doors-in-the-age-of-data/

Every click, swipe, and purchase creates data. Every business, from a tiny online shop to global tech giants, is swimming in it. But here’s the catch: only a small percentage of people actually know h...

Using SignalR with Wolverine 5.0

https://jeremydmiller.com/2025/10/26/using-signalr-with-wolverine-5-0/

The Wolverine 5.0 release earlier last last week (finally) added a long requested SignalR transport. The SignalR library from Microsoft isn't hard to use from Wolverine for simplistic WebSockets or Se...

Mastering Mailbox Cleanup and Holds in Exchange Online

https://www.c-sharpcorner.com/article/mastering-mailbox-cleanup-and-holds-in-exchange-online/

Exchange mailbox cleanup and holds

Master Repository & Unit of Work Patterns in ASP.NET Core (Part-37 of 40)

https://www.c-sharpcorner.com/article/master-repository-unit-of-work-patterns-in-asp-net-core-part-37-of-40/

Build testable, maintainable, and scalable data access layers for your applications. This comprehensive guide provides real-world examples, production-ready code, and best practices for implementing t...

The Ultimate .NET 9 Developer Roadmap (Cloud-Native + AI-Ready Edition)

https://blog.stackademic.com/the-ultimate-net-9-developer-roadmap-cloud-native-ai-ready-edition-2dd2bcd3321b

If you’re building modern, intelligent, and scalable .NET applications, 2025 is the year to go beyond syntax and think in systems… Continue reading on Stackademic »

Stop Allocating Arrays — Start Renting Them Like a Pro

https://medium.com/@mohsho10/stop-allocating-arrays-start-renting-them-like-a-pro-e6585931f3cf

We allocate arrays like it’s free candy. Every new byte[1024] or new char[4096] feels harmless — until your profiler lights up with GC…

ASP.NET Core FluentValidation & AutoMapper Guide | Clean Data & Robust APIs (Part-38 of 40)

https://www.c-sharpcorner.com/article/asp-net-core-fluentvalidation-automapper-guide-clean-data-robust-apis-par/

Master ASP.NET Core data validation and object mapping with FluentValidation and AutoMapper! This guide provides a comprehensive walkthrough, from basic setup to advanced enterprise patterns. Build ro...

Zero-Cost foreach: How .NET 10 Turbo-charges Your Collections

https://medium.com/c-sharp-programming/zero-cost-foreach-how-net-10-turbo-charges-your-collections-247698fafabe

.NET 10 slashes enumeration costs in List, Stack, Queue & ConcurrentDictionary — benchmarks show up to 6× faster loops with zero… Continue reading on .Net Programming »

WCF Service for Local Device Integration and Cloud API Interaction in C#

https://www.c-sharpcorner.com/article/wcf-service-for-local-device-integration-and-cloud-api-interaction-in-c-sharp/

Integrate local devices with cloud APIs using WCF in C#. Learn to build a secure, reliable middleware for seamless data exchange between Windows devices and cloud services.

Understanding CancellationToken in .NET 9.0

https://www.c-sharpcorner.com/blogs/understanding-cancellationtoken-in-net-90

Learn how to use CancellationToken in .NET 9.0 to gracefully stop async tasks, prevent resource waste, and improve application stability. Includes code example!

Real-Time Observability for AI Agents with .NET Aspire, Application Insights & OpenTelemetry

https://www.c-sharpcorner.com/article/real-time-observability-for-ai-agents-with-net-aspire-application-insights-o/

Master AI agent observability with .NET Aspire, Application Insights, and OpenTelemetry. Monitor performance, debug issues, and ensure production readiness. From local dev to Azure!

Add request logging to a database in an ASP.NET Core Web API

https://www.roundthecode.com/dotnet-tutorials/add-request-logging-database-asp-net-core-web-api

Learn how to add request logging to a database in an ASP.NET Core Web API using Entity Framework Core to effectively monitor and analyse API traffic. The page Add request logging to a database in an A...

Downloading Azure Blob Files to On-Premise Servers — A Real-World, Step-by-Step Guide

https://www.c-sharpcorner.com/blogs/downloading-azure-blob-files-to-onpremise-servers-a-realworld-stepbystep-guide

Learn how to securely and efficiently download Azure Blob files to on-premise servers. Step-by-step guide with real-world examples, scripts, and automation tips!

Working with String, StringBuilder, and StringBuffer in C#

https://www.c-sharpcorner.com/article/working-with-string-stringbuilder-and-stringbuffer-in-c-sharp/

Master C# string manipulation! Compare string, StringBuilder, & StringBuffer (simulated) in ASP.NET WebForms. Boost performance & ensure thread safety. ??

Stop Writing Boilerplate: Let These 5 Modern C# Features Do the Work

https://blog.stackademic.com/stop-writing-boilerplate-let-modern-c-do-the-work-8d846cee9a2b

Less clutter, fewer ifs, cleaner models, and APIs that basically document themselves. These tricks just make C# feel… nicer. Continue reading on Stackademic »

Optimize Azure Costs with Reserved Instances

https://www.youtube.com/watch?v=PRGo-RH-sL4

• Video: Advisor Clinic: Lower costs with Azure Virtual Machine reservations https://www.youtube.com/watch?v=o5hCnWfqAzc • Video: Manage Azure AI Foundry Provisioned Throughput Reservations https://w...

The Developers’ Guide to Caching: Why We Cache and How It Really Works

https://blog.williamachuchi.com/the-developers-guide-to-caching-why-we-cache-and-how-it-really-works-2fadfc819aff

Caching is one of those concepts every developer has heard of yet few fully understand until they’ve been forced to scale. This article is…

15 Essential C# Shorthand Operators Every Developer Should Know in 2025

https://medium.com/@adrianbailador/15-essential-c-shorthand-operators-every-developer-should-know-in-2025-c0ace31eb714

Introduction

Life Tracker: A .NET App — 6 Basic Auth

https://jackymlui.medium.com/life-tracker-a-net-app-6-basic-auth-1610880fd2fc

Code fohttps://github.com/Recelis/questionnaire.net.git

Understanding Inheritance and Polymorphism in C#

https://www.c-sharpcorner.com/article/understanding-inheritance-and-polymorphism-in-c-sharp/

Unlock C#'s power! Explore inheritance and polymorphism with practical ASP.NET WebForms examples. Build reusable, scalable, and maintainable applications. Master OOP!

C# Excel to HTML Conversion: A Practical Guide

https://medium.com/@andrewwil/c-excel-to-html-conversion-a-practical-guide-667c540be03e

This guide walks you through how to convert Excel to HTML and customize the conversion options in C# using a third-party .NET library

Factorial Calculator (ASP.NET WebForms Example)

https://www.c-sharpcorner.com/article/factorial-calculator-asp-net-webforms-example/

Build a real-time factorial calculator using ASP.NET WebForms (C#). This tutorial provides a step-by-step guide with code examples for front-end design and back-end logic.