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Tag: dotnet-11

297 posts · Page 21 of 30

2026-05-21 comparison csharp async

ConfigureAwait(false) vs default in .NET 11: does it still matter?

ConfigureAwait(false) is still mandatory in library code that may run under a SynchronizationContext (WinForms, WPF, MAUI). In application code on ASP.NET Core, a console app, or a worker service running on .NET 11, it is a no-op.

2026-05-21 comparison csharp linq

IEnumerable vs IAsyncEnumerable vs IQueryable in C#: which one should the method return?

Three sequence interfaces, three execution models. Use IQueryable when a database can translate the query, IAsyncEnumerable when the producer is async and you want to stream, IEnumerable for everything else in memory.

2026-05-21 comparison aspnetcore minimal-apis

Minimal APIs vs controllers in ASP.NET Core 11: which should you pick in 2026?

Pick minimal APIs by default in ASP.NET Core 11. Use controllers only when you need MVC features that minimal APIs still do not match: convention-based routing across many actions, MVC-style filters, or Razor views.

2026-05-20 comparison ef-core dapper

EF Core 11 vs Dapper for bulk inserts: real benchmark

For bulk inserts in .NET 11, neither EF Core nor Dapper wins. SqlBulkCopy does. This is the benchmark, the why, and the seat each tool deserves.

2026-05-17 mcp ai-agents dotnet

dotnet new mcpserver Now Ships in the .NET 11 Preview 4 SDK

.NET 11 Preview 4 bundles the mcpserver project template directly into the SDK. No separate Microsoft.McpServer.ProjectTemplates install, no preview feed dance. Pick stdio or HTTP transport, opt into Native AOT, and dotnet new mcpserver -o MyServer is the whole setup.

2026-05-16 errors dotnet dotnet-11

Fix: Provisioning profile doesn't include the currently selected device in MAUI iOS

The profile Visual Studio picked was generated before this iPhone's UDID was registered. Re-register the device, regenerate the development profile, redownload, redeploy.

2026-05-16 errors dotnet dotnet-11

Fix: Unable to find a valid iOS Simulator runtime during MAUI build

Xcode 15+ ships without bundled iOS simulator runtimes. MAUI fails the build when SupportedOSPlatformVersion has no matching runtime installed. Install one with xcodebuild -downloadPlatform iOS or via Xcode Settings, then verify with xcrun simctl list runtimes.

2026-05-15 dotnet dotnet-11 csharp

.NET 11 Adds Deadlock-Free Process Output Capture

.NET 11 Preview 4 ships new System.Diagnostics.Process APIs that drain stdout and stderr concurrently, plus one-line run-and-capture helpers and KillOnParentExit.

2026-05-15 errors dotnet dotnet-11

Fix: Gradle build failed to produce an .apk file in MAUI Android

Nine out of ten times the real Gradle error is buried higher in the MSBuild log. JDK 17 path, missing maui-android workload, and Windows long paths are the usual root causes.

2026-05-14 errors csharp dotnet

Fix: A possible object cycle was detected

System.Text.Json refuses to serialize graphs with back-references. Set ReferenceHandler.IgnoreCycles, project to a DTO, or mark the back-pointer with [JsonIgnore]. Preserve is a last resort.