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.NET 9 Articles, Tutorials & News

.NET 9 articles, tutorials, and news from the DotNetNews archive.

369 articles Updated Jul 21, 2026 Page 10 of 15

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.NET 9 articles

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GraphQL with .NET 9: A Developer’s Guide to Smarter APIs

medium.com Apr 22, 2025 Issue #180

https://medium.com/@Adem_Korkmaz/graphql-with-net-9-a-developers-guide-to-smarter-apis-bbcad3bdc3db

ASP.NET Core

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Building a Custom GraphQL Query Builder in .NET 9

medium.com Apr 22, 2025 Issue #180

https://medium.com/@thecodeman/building-a-custom-graphql-query-builder-in-net-9-0eea0cc877ef

ASP.NET Core

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Listing Information from the Local DB in MAUI .NET 9 [GamesCatalog] - Part 15

c-sharpcorner.com Apr 22, 2025 Issue #180

https://www.c-sharpcorner.com/article/listing-information-from-the-local-db-in-maui-net-9-gamescatalog-part-15/

.NET MAUI

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Building a Face Detection System with .NET 9

c-sharpcorner.com Apr 21, 2025 Issue #179

https://www.c-sharpcorner.com/article/building-a-face-detection-system-with-net-9/

ML.NET

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Any() vs Exists() in .NET 9: Why Your Old Performance Assumptions Might Be Wrong

medium.com Apr 18, 2025 Issue #178

https://medium.com/@vikpoca/any-vs-exists-in-net-9-why-your-old-performance-assumptions-might-be-wrong-5570e65c878f

.NET Aspire Blazor C#

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Integrating .NET 9 with Azure Services

medium.com Apr 16, 2025 Issue #176

https://medium.com/@Adem_Korkmaz/integrating-net-9-with-azure-services-2826b066063b

Azure

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Software Architect’s Vision on .NET 9

medium.com Apr 14, 2025 Issue #174

https://medium.com/@Adem_Korkmaz/software-architects-vision-on-net-9-20ee4c53e570

Performance

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How we ended up rewriting NuGet Restore in .NET 9

devblogs.microsoft.com Apr 14, 2025 Issue #174

https://devblogs.microsoft.com/dotnet/rewriting-nuget-restore-in-dotnet-9/

Performance

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Profile-Guided Optimization (PGO) in C#

c-sharpcorner.com Apr 11, 2025 Issue #173

https://www.c-sharpcorner.com/article/profile-guided-optimization-pgo-in-c-sharp/

Performance

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New LINQ Features in .NET 9

c-sharpcorner.com Apr 11, 2025 Issue #173

https://www.c-sharpcorner.com/article/new-linq-features-in-net-9/

C#

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Comprehensive and Advanced Guide to System.Environment in .NET 8/9

medium.com Apr 11, 2025 Issue #173

https://medium.com/@anderson.buenogod/comprehensive-and-advanced-guide-to-system-environment-in-net-8-9-a65e162a2bed

.NET 8

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C# 13: Introducing System.Threading.Lock

anthonygiretti.com Apr 09, 2025 Issue #171

https://anthonygiretti.com/2025/03/05/c-13-introducing-system-threading-lock/

C#

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Automating News Publication with .NET: A Deep Dive into the AI News Automation System

csharp.com Apr 09, 2025 Issue #171

https://www.csharp.com/article/automating-news-publication-with-net-a-deep-dive-into-the-ai-news-automation-s/

Azure OpenAI

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Obsolete Design Patterns in .NET 9: What You No Longer Need to Code

medium.com Apr 09, 2025 Issue #171

https://medium.com/@Adem_Korkmaz/obsolete-design-patterns-in-net-9-what-you-no-longer-need-to-code-e8cced496493

Design Patterns

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Model Context Protocol in .NET 9: How to Implement and Why You Need It

medium.com Apr 09, 2025 Issue #171

https://medium.com/asp-dotnet/model-context-protocol-in-net-9-how-to-implement-and-why-you-need-it-7554d9ecbd92

OpenAI

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Setting Up and Using a Local SQLite Database in MAUI .NET 9 [GamesCatalog] - Part 9

csharp.com Apr 08, 2025 Issue #170

https://www.csharp.com/article/setting-up-and-using-a-local-sqlite-database-in-maui-net-9-gamescatalog-par/

.NET MAUI SQL Server

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What’s New in .NET 9 Libraries: Essential Updates for Developers

medium.com Apr 07, 2025 Issue #169

https://medium.com/@ashokreddy343/whats-new-in-net-9-libraries-essential-updates-for-developers-7b7e0c8ac7ab

ASP.NET Core Azure Blazor

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How to Get Started with .NET Aspire

csharp.com Apr 04, 2025 Issue #168

https://www.csharp.com/article/how-to-get-started-with-net-aspire/

.NET Aspire .NET 8

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Clean Code in .NET 9: Writing Maintainable and Elegant Code

medium.com Apr 04, 2025 Issue #168

https://medium.com/@Adem_Korkmaz/clean-code-in-net-9-writing-maintainable-and-elegant-code-4a066def8e2a

C# Solid Principles

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.NET 9 Coding Standards: Writing Maintainable and Future-Proof Code

medium.com Apr 04, 2025 Issue #168

https://medium.com/@Adem_Korkmaz/net-9-coding-standards-writing-maintainable-and-future-proof-code-c89f2f49225e

C# Solid Principles

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Exploring new .NET releases with Dev Containers

devblogs.microsoft.com Apr 04, 2025 Issue #168

https://devblogs.microsoft.com/dotnet/dotnet-in-dev-container/

Docker .NET Core

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Creating a Rating Bar in MAUI C# .NET 9 [GamesCatalog] - Part 8

csharp.com Apr 03, 2025 Issue #167

https://www.csharp.com/article/creating-a-rating-bar-in-maui-c-sharp-net-9-gamescatalog-part-8/

ASP.NET Core Azure Blazor

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OpenTelemetry Usage in Microservice Architecture with .NET 9

medium.com Apr 03, 2025 Issue #167

https://medium.com/@serkutyildirim/opentelemetry-usage-in-microservice-architecture-with-net-9-16c2e57df59c

ASP.NET Core Azure Blazor

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New LINQ Features in .NET 9

csharp.com Apr 01, 2025 Issue #165

https://www.csharp.com/article/new-linq-features-in-net-9/

C#

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Mastering Unique Constraints in EF8 & .NET 9: A Complete Guide with Fluent API

awstip.com Apr 01, 2025 Issue #165

https://awstip.com/mastering-unique-constraints-in-ef8-net-9-a-complete-guide-with-fluent-api-81b3e2655ee1

EF Core

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