Home Archive Async patterns, AI workflows, and EF Core pitfalls – .NET News Daily Issue #411 (Mar 13, 2026)

Editor's note

I pulled together a pretty mixed lineup today, from async/await fundamentals to AI workflow checkpointing and EF Core mistakes that only show up under production load. The MCP server piece and the source generators conversation stand out because they both show where the platform is headed next.

Async patterns, AI workflows, and EF Core pitfalls

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Today's Articles

Flatten Arrays and Collections in C#: The Definitive Guide for Fast, Clean Code

https://medium.com/@ahmad.sohail/flatten-arrays-and-collections-in-c-the-definitive-guide-for-fast-clean-code-bd7ea31aac32?source=rss------dotnet-5

If you’ve ever wrangled with multi-dimensional arrays, nested lists, or jagged collections in C#, you know the pain: you just want a…

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Checkpointing & Resuming AI Workflows in .NET

https://blog.gopenai.com/checkpointing-resuming-ai-workflows-in-net-0f5fd35b763d?source=rss------dotnet-5

When building real-world AI workflows — especially long-running ones — you can’t always expect the entire process to complete in a single… Continue reading on GoPenAI »

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Async/Await Explained from First Principles

https://medium.com/@kenan.olmezoglu.dev/async-await-explained-from-first-principles-548bea432fa7?source=rss------csharp-5

1. All programming languages start from the same philosophy All mainstream programming languages are built on the same foundational…

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Why async void Should Almost Never Be Used in .NET Core

https://medium.com/@abhishek.s.khandare/why-async-void-should-almost-never-be-used-in-net-core-f6b2bba3db47?source=rss------csharp-5

Asynchronous programming is a core part of modern .NET applications. The async and await keywords make it easier to write non-blocking…

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Claude Opus 4.6: Anthropic’s powerful model for coding, agents, and enterprise workflows is now available in Microsoft Foundry

https://azure.microsoft.com/en-us/blog/claude-opus-4-6-anthropics-powerful-model-for-coding-agents-and-enterprise-workflows-is-now-available-in-microsoft-foundry-on-azure/

With Claude Opus 4.6 now available in Microsoft Foundry, developers can delegate complex tasks end‑to‑end and trust the AI to execute independently in production. The post Claude Opus 4.6: Anthropic’...

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EF Core Code That Works Locally but Fails in Production (part 2)

https://www.c-sharpcorner.com/article/ef-core-code-that-works-locally-but-fails-in-production-part-2/

Avoid EF Core production disasters! Learn how to fix common logic and tracking mistakes like improper Any(), First(), and missing AsNoTracking() for optimal performance.

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Clean Architecture With Document Databases, Minimal APIs, and CQRS in .NET 10

https://medium.com/@mariammaurice/clean-architecture-with-document-databases-minimal-apis-and-cqrs-in-net-10-f58b2dd57df2?source=rss------dotnet-5

Part 1 — Laying a Rock-Solid Foundation Continue reading on Stackademic »

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Azure SQL Managed Instance just got WAY faster - Meet Next gen GP | Data Exposed

https://www.youtube.com/watch?v=y2zSs6sGCr0

Microsoft Azure SQL: https://aka.ms/msazuresqlyt In this episode, Anna Hoffman and Uros Milanovic explain how you get lower latency, higher throughput and IOPS, more storage and databases per instanc...

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Handle data set pagination with `PagedListResult`

https://iamrzr.medium.com/handle-data-set-pagination-with-pagedlistresult-4e30fab2c5a7?source=rss------dotnet-5

Overview

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Understanding the Microsoft.Agents.AI API — A .NET Developer’s Guide

https://medium.com/@kavathiyakhushali/understanding-the-microsoft-agents-ai-api-a-net-developers-guide-77345c26e4f2?source=rss------dotnet-5

AI agents are changing how we build intelligent applications — from chatbots and workflow assistants to decision automation systems.

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Learn Visual Studio Code in 15 minutes: 2026 Official Beginner Tutorial

https://www.youtube.com/watch?v=rNUZm1xLlzo

Get started in Visual Studio Code in just 15 minutes in this easy-to-follow tutorial! Bluesky: https://bsky.app/profile/vscode.dev

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.NET Source Generators with Jason Bock

http://www.dotnetrocks.com/default.aspx?ShowNum=1988

Why would you write code to generate code? Carl and Richard talk with Jason Bock about his experiences using modern .NET source generators to optimize certain aspects of applications. Jason talks abou...

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Part 2: Build an MCP Server in C#/.NET and Enrich It With Repository Context

https://medium.com/@denherrring/part-2-build-an-mcp-server-in-c-net-and-enrich-it-with-repository-context-2b5d12218b1c?source=rss------csharp-5

The .NET ecosystem now has an official C# MCP SDK plus project templates that get you from “zero” to a working server fast.

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Jasen's take on today's picks

Flatten Arrays and Collections in C#: The Definitive Guide for Fast, Clean Code

A practical flattening guide for C# developers who want cleaner collection handling without losing readability or performance.

Checkpointing & Resuming AI Workflows in .NET

Checkpointing AI workflows is the kind of operational detail that makes long-running agent systems survivable in real applications.

Async/Await Explained from First Principles

A first-principles async explainer is always useful, especially when you want the mental model behind await instead of cargo cult usage.

Why async void Should Almost Never Be Used in .NET Core

async void still causes trouble for error handling and composition, and this piece is a timely reminder to avoid it in core code.

Claude Opus 4.6: Anthropic’s powerful model for coding, agents, and enterprise workflows is now available in Microsoft Foundry

Claude Opus 4.6 in Microsoft Foundry is a notable Azure update for teams building coding agents and enterprise automation.

EF Core Code That Works Locally but Fails in Production (part 2)

This EF Core follow-up focuses on the subtle query and tracking mistakes that turn local success into production bugs.

Clean Architecture With Document Databases, Minimal APIs, and CQRS in .NET 10

Clean architecture with document databases, minimal APIs, and CQRS in .NET 10 is a useful blueprint for modern service design.

Azure SQL Managed Instance just got WAY faster - Meet Next gen GP | Data Exposed

Azure SQL Managed Instance getting faster matters most for teams watching latency, throughput, and instance density.

Handle data set pagination with `PagedListResult`

PagedListResult is a straightforward pagination idea, and that makes it easy to adopt in APIs that need consistent paging.

Understanding the Microsoft.Agents.AI API — A .NET Developer’s Guide

The Microsoft.Agents.AI API guide is a helpful map for .NET developers trying to build agent-style apps without guesswork.

Learn Visual Studio Code in 15 minutes: 2026 Official Beginner Tutorial

The Visual Studio Code beginner tutorial is lightweight, but it helps onboard newer developers quickly into the 2026 editor experience.

.NET Source Generators with Jason Bock

Jason Bock on source generators is worth a listen if you care about compile-time metaprogramming and reducing repetitive code.

Part 2: Build an MCP Server in C#/.NET and Enrich It With Repository Context

The MCP server article shows how quickly repository-aware tooling is becoming part of everyday .NET AI integration work.

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