The .NET News Daily Issue #283

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

Author

Jasen Fici
September 12, 2025

As the digital highway takes us into another Friday, kick back and cruise through this week's .NET revelations with the smooth precision of a seasoned driver in a classic '65 Mustang. This week, we’ve fine-tuned our articles to polish your coding engine, ensuring it runs efficiently and powerfully, without the irritating sputters of outdated practices. Just as a true car enthusiast knows the value of a well-maintained ride, an adept developer knows the worth of staying updated with the latest .NET insights. Buckle up and enjoy the ride!

Today's Articles

Here are 5 underappreciated LINQ methods you should know:

https://medium.com/@sangheraajit/here-are-5-underappreciated-linq-methods-you-should-know-9cd50a732891

- SequenceEqual - Aggregate - GroupJoin - ToLookup - Intersect

File and Input Security in ASP.NET Core MVC and Web API Applications Introduction

https://www.c-sharpcorner.com/article/file-and-input-security-in-asp-net-core-mvc-and-web-api-applicationsintroducti/

Protect your ASP.NET Core MVC and Web API applications from critical vulnerabilities! This article provides essential best practices for securing file uploads and user inputs. Learn how to prevent SQL...

Async, Await, and Tasks: The C# Fundamentals You Can’t Afford to Ignore

https://blog.stackademic.com/async-await-and-tasks-the-c-fundamentals-you-cant-afford-to-ignore-2173a8858619

Understand thread context, task execution, and why improper async usage can haunt your apps. Continue reading on Stackademic »

Build an AI Chatbot with Azure OpenAI + Blazor in .NET 8

https://medium.com/@bgbhartigupta17/build-an-ai-chatbot-with-azure-openai-blazor-in-net-8-d402b4341b7e

AI is no longer just hype — it’s shipping in real-world apps today. Imagine combining the power of Azure OpenAI with the simplicity of…

Why 90% of C# Code Fails the Clean Test (and the 3 Laws That Fix It)

https://awstip.com/why-90-of-c-code-fails-the-clean-test-and-the-3-laws-that-fix-it-035dd7d323fc

Learn the exact principles top developers use to write maintainable, bug-resistant C# that stands the test of time — complete with… Continue reading on AWS Tip »

Building a Real-Time Process Monitor in .NET 8

https://medium.com/@cumulus13/building-a-real-time-process-monitor-in-net-8-82a157da4013

If you’ve ever worked on a Linux machine, you’re probably familiar with htop. It's a beloved command-line tool that provides a dynamic…

Mastering the Blazor Lifecycle: When to Use Each Method (Without Losing Your Sanity)

https://medium.com/@brian.moraboza/mastering-the-blazor-lifecycle-when-to-use-each-method-without-losing-your-sanity-055c25d3728e

I still remember the first time I messed with Blazor’s lifecycle methods — I threw all my data fetching into OnInitializedAsync, hit F5… Continue reading on Stackademic »

Native AOT deployment в .NET

https://medium.com/@denmaklucky/native-aot-deployment-в-net-ac0be80058b9

Ahead-of-time (AOT) compilation can significantly improve startup speed and execution time, especially on the first run, but it comes with…

“Boost Your Angular + .NET

https://medium.com/@solanki.jignesh.r/boost-your-angular-net-e99c5424fc9a

Introduction

SaaS User Roles and Permissions | Role-Based Access Control (RBAC)

https://bizsoltech.medium.com/saas-user-roles-and-permissions-role-based-access-control-rbac-41bfed24a8ce

Lack of a Ready Role-Based Access Control System in SaaS: Why RBAC Matters

Top .NET LLM Open‑Source Projects in 2025

https://amarozka.dev/top-dotnet-ai-llm-open-source-projects/

Code‑first guide to top .NET LLM open‑source projects in 2025 — Extensions.AI, Semantic Kernel, LLamaSharp, ONNX Runtime, Whisper, and …

C# Guide with Ollama GPT-OSS — A

https://medium.com/@sangheraajit/c-guide-with-ollama-gpt-oss-a-e7113e0acd7e

GPT-OSS is OpenAI’s first open-weight model since GPT-2, and it’s a game-changer for developers who want powerful AI without the cloud…

From DataTable to Excel: Practical C# Export Guide

https://medium.com/@sirio1234/from-datatable-to-excel-practical-c-export-guide-41b9eed01202

Exporting data from C# applications to Excel files is a ubiquitous requirement in enterprise software development. Whether it’s for…

String Manipulation in C#

https://medium.com/@shreyans_padmani/string-manipulation-in-c-d4904c9623c6

String manipulation is one of the most essential skills in C# development. From formatting names and messages to parsing user input and…

Find High-Usage Queries and Stored Procedures in SQL Server

https://www.c-sharpcorner.com/article/find-high-usage-queries-and-stored-procedures-in-sql-server/

Identify the SQL statements and stored procedures that burn the most CPU, IO, and time using SQL Server DMVs—plus quick scripts, filters, and tips to fix them.

Ditch the UI: A Modern “Do This, Not That” Guide to NuGet Management with the .NET CLI

https://medium.com/@arttech/ditch-the-ui-a-modern-do-this-not-that-guide-to-nuget-management-with-the-net-cli-46dce9c03886

Right-click, Manage NuGet Packages, search, click install, wait…

Boost Your C# Skills: Key .NET Core MCQs Every Developer Should Know

https://medium.com/@solanki.jignesh.r/boost-your-c-skills-key-net-core-mcqs-every-developer-should-know-b7cb0b31d02d

Introduction

5 .NET Memory Leaks That Took Down Our Apps (and How We Fixed Them)

https://medium.com/@vivek-baliyan/5-net-memory-leaks-that-took-down-our-apps-and-how-we-fixed-them-2132272f9f54

Five real .NET memory leaks from production — the symptoms, debugging steps, and fixes that saved our systems.

The Hidden Traps of Async in C#

https://blog.stackademic.com/the-hidden-traps-of-async-in-c-3016efb1f61e

Dive into thread context, blocking calls, and safe patterns for library and UI code. Continue reading on Stackademic »

Building Cross-Platform Apps with C# and .NET MAUI

https://medium.com/h7w/building-cross-platform-apps-with-c-and-net-maui-23b3637a906c

A Beginner’s Guide Continue reading on T3CH »