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Tag: csharp

321 posts · Page 8 of 33

2026-07-25 migration csharp dotnet

Migrate from blocking .Result/.Wait() calls to async all the way up in a legacy C# codebase

A staged playbook for removing sync-over-async from an existing .NET codebase: inventory with analyzers, measure ThreadPool starvation, convert one call chain at a time, and ratchet the count to zero on .NET 11.

2026-07-25 migration dotnet dotnet-11

Migrate from ILogger string interpolation to structured logging message templates in .NET 11

A step-by-step guide to converting $-interpolated ILogger calls into message templates and [LoggerMessage] source-generated methods on .NET 11: what breaks, how to sweep a codebase with CA2254, how to verify the JSON state, and how to roll back.

2026-07-24 comparison csharp dotnet

Endpoint filters vs middleware in ASP.NET Core 11: which should you use?

A decision guide for ASP.NET Core 11: middleware runs for every request before your handler binds, endpoint filters run only for the matched endpoint after binding and can see the typed arguments. Includes a feature matrix, when-to-pick-each scenarios, the ordering rules, and the gotchas that force the choice.

2026-07-24 comparison csharp dotnet

.Result vs .Wait() vs GetAwaiter().GetResult() vs await in C#: which should you use?

await is the right answer almost every time. When you truly must block, GetAwaiter().GetResult() beats .Result and .Wait() because it throws the original exception. A decision matrix for .NET 11 and C# 14.

2026-07-24 aspnetcore dotnet-11 signalr

SignalR clients can finally cancel a running hub method in .NET 11 Preview 6

Cancelling the CancellationToken you pass to InvokeAsync now reaches the server and cancels the hub method. This closes a SignalR request open since 2019.

2026-07-23 comparison csharp dotnet

Typed results (Results<>) vs IResult vs IActionResult in ASP.NET Core 11

In ASP.NET Core 11, return Results<T1, TN> with TypedResults for minimal APIs and ActionResult<T> for controllers. Treat bare IResult and bare IActionResult as escape hatches: they compile for any response but describe nothing to OpenAPI, so you pay for them in hand-written ProducesResponseType attributes.

2026-07-23 comparison aspnetcore dotnet-11

WebApplication.CreateBuilder vs CreateSlimBuilder vs CreateEmptyBuilder in ASP.NET Core 11

Use CreateBuilder for a normal app, CreateSlimBuilder when you publish trimmed or Native AOT behind a TLS proxy, and CreateEmptyBuilder only when you want to register every service yourself. Here is the feature matrix and the gotchas that force the call.

2026-07-22 comparison aspnetcore dotnet-11

Output caching vs response caching in ASP.NET Core 11: which should you use?

Output caching is the right default for almost every server-side app in ASP.NET Core 11. Response caching only wins when your goal is to steer browser and proxy caches through HTTP headers. Here is the decision, with a feature matrix and the gotchas that force the call.

2026-07-21 comparison microsoft-agent-framework ai-agents

Microsoft Agent Framework orchestration: sequential vs concurrent vs group chat vs handoff vs magentic

Sequential for pipelines, concurrent for fan-out, group chat for moderated rounds, handoff for routing, magentic for open-ended planning. The C# builders and how to choose.

2026-07-21 errors csharp csharp-14

Fix: CS4014 "Because this call is not awaited, execution of the current method continues" in C#

CS4014 means you called a Task-returning method without awaiting it. Add await, or discard with _ = if fire-and-forget is truly intended, and handle exceptions.