Round The Code https://www.roundthecode.com/ Round The Code features online .NET, C# and ASP.NET Core tutorials, code examples, courses and a blog for developers to learn. Mon, 31 Aug 2026 12:00:00 GMT en-GB hourly 1 https://www.roundthecode.com/media/g0jdykby/roundthecode-logo.png?width=144&height=28&v=1d9c187a7da7d40 Round The Code https://www.roundthecode.com/ 144 28 EF Core navigation property returning null? Here's why https://www.roundthecode.com/dotnet-tutorials/ef-core-navigation-property-returning-null-heres-why Mon, 31 Aug 2026 12:00:00 GMT https://www.roundthecode.com/dotnet-tutorials/ef-core-navigation-property-returning-null-heres-why Find out why your EF Core navigation property come back as null. Learn how Include() fixes it, when you need it, and the pitfalls to watch for.

]]> Stop ignoring API failures. Use Polly https://www.roundthecode.com/dotnet-tutorials/stop-ignoring-api-failures-use-polly Mon, 24 Aug 2026 12:00:00 GMT https://www.roundthecode.com/dotnet-tutorials/stop-ignoring-api-failures-use-polly API calls fail. Learn how to add Polly to an ASP.NET Core Web API to handle retries, circuit breakers and timeouts.

]]> Build a .NET 10 Web API - Minimal APIs, EF Core & SQL Server https://www.roundthecode.com/dotnet-tutorials/build-dotnet-10-web-api-minimal-apis-ef-core-sql-server Mon, 17 Aug 2026 12:00:00 GMT https://www.roundthecode.com/dotnet-tutorials/build-dotnet-10-web-api-minimal-apis-ef-core-sql-server Build a .NET 10 Web API with Minimal APIs, Entity Framework Core and SQL Server, using Clean Architecture and FluentValidation.

]]> Stop updating NuGet packages on every project https://www.roundthecode.com/dotnet-tutorials/stop-updating-nuget-packages-every-project Mon, 10 Aug 2026 12:00:00 GMT https://www.roundthecode.com/dotnet-tutorials/stop-updating-nuget-packages-every-project Learn how Central Package Management lets you manage NuGet package versions from a single file across all projects in your .NET solution.

]]> C# basics tutorial: Learn variables, classes and lists https://www.roundthecode.com/dotnet-tutorials/csharp-basics-tutorial-learn-variables-classes-lists Mon, 27 Jul 2026 06:00:00 GMT https://www.roundthecode.com/dotnet-tutorials/csharp-basics-tutorial-learn-variables-classes-lists Learn C# basics with this tutorial covering variables, conditionals, arrays, lists, loops, classes, structs, interfaces, enums and static classes.

]]> Slow pagination in EF Core? Try keyset pagination https://www.roundthecode.com/dotnet-tutorials/slow-pagination-ef-core-try-keyset-pagination Mon, 20 Jul 2026 12:00:00 GMT https://www.roundthecode.com/dotnet-tutorials/slow-pagination-ef-core-try-keyset-pagination Learn how keyset pagination works in Entity Framework Core, how it compares to offset pagination, and how indexes can dramatically improve your pagination performance.

]]> C# ToString(), operators and indexers - Are you using these? https://www.roundthecode.com/dotnet-tutorials/csharp-tostring-operators-indexers-are-you-using-these Mon, 13 Jul 2026 12:00:00 GMT https://www.roundthecode.com/?n=7024 Learn how to override ToString(), overload operators and use indexers in C# classes, featuring examples of addition and subtraction.

]]> Track every EF Core record change with temporal tables https://www.roundthecode.com/dotnet-tutorials/track-every-ef-core-record-change-temporal-tables Mon, 06 Jul 2026 12:00:00 GMT https://www.roundthecode.com/?n=7022 Learn how to track every change to your EF Core records using SQL Server temporal tables, with examples for querying the history.

]]> .NET app returning a blank 500? Not with exception handlers https://www.roundthecode.com/dotnet-tutorials/dotnet-app-returning-blank-500-not-with-exception-handlers Mon, 29 Jun 2026 12:00:00 GMT https://www.roundthecode.com/?n=6021 Is your ASP.NET Core Web API returning a blank 500 response? Learn how to fix it properly using exception handlers.

]]> Can Claude Code build a .NET app with your code style? https://www.roundthecode.com/dotnet-blog/can-claude-code-build-dotnet-app-your-code-style Mon, 22 Jun 2026 12:00:00 GMT https://www.roundthecode.com/?n=6015 Learn how to get Claude Code to follow your .NET code style by using a spec file, CLAUDE.md, and the right settings for permissions and migrations.

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