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Tag: dotnet

299 posts · Page 2 of 30

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 maui dotnet admob

Monetizing a .NET MAUI app with AdMob (banner, interstitial, rewarded) in 2026

A practical, end-to-end guide to monetizing a .NET MAUI app with Google AdMob using Plugin.AdMob. Install one NuGet, call UseAdMob(), and wire up banner, interstitial, and rewarded ads — with consent built in via UMP, test ad units, the exact service APIs, preloading patterns, and a production checklist. Tested on .NET 10 / MAUI.

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.

2026-07-23 maui dotnet admob

How to show native video ads in your .NET MAUI app with Plugin.AdMob

Plugin.AdMob now renders native video ads. Drop a MediaView into your NativeAdView template, request video with VideoOptions, and wire up the OnVideoStart/Play/Pause/End lifecycle events — including the custom-controls caveat that trips everyone up on AdMob inventory. Full walkthrough with a complete working example, tested on Android with the native video demo unit.

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.

2026-07-21 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.

2026-07-21 errors csharp dotnet

Fix: System.InvalidOperationException: Sequence contains no elements

This exception means you called .First() or .Single() on an empty sequence. Use FirstOrDefault/SingleOrDefault and null-check, or guard the query, or fix why the source is empty.

2026-07-20 errors csharp csharp-14

Fix: CS8618 "Non-nullable property must contain a non-null value when exiting constructor" in C#

CS8618 means a non-nullable field or property was not initialized by the time the constructor finished. Set it in the constructor, give it a default, mark it required, or make it nullable.

2026-07-20 csharp dotnet dotnet-11

Fix: deadlock when calling .Result or .Wait() on an async method in C#

Blocking on an async Task with .Result or .Wait() deadlocks when a SynchronizationContext is present. Here is why it hangs and how to fix it in .NET 11 and C# 14.