Error: The Delegate RequestDelegate does not take X arguments – Experiences with minimal APIs

When developing .NET minimal APIs, employing TypedResults for OpenAPI documentation can lead to compiler errors, specifically “Delegate RequestDelegate does not take X arguments.” To resolve this, using the generic Results type is recommended, enhancing both compilation and OpenAPI clarity by explicitly defining return type possibilities. Continue reading Error: The Delegate RequestDelegate does not take X arguments – Experiences with minimal APIs

.NET, ASP.NET Core, Book, Entity Framework Core

Key Features of .NET Aspire 9.2: Enhance Your Microservices Part 1

The article discusses the release of .NET Aspire 9.2, highlighting improvements that facilitate microservices development. Key features include a new Graph view for service relationships, enhanced Azure Cosmos DB support, PostgreSQL integration, and simplified package management through Central Package Management. The Codebreaker application exemplifies these advancements in practice. Continue reading Key Features of .NET Aspire 9.2: Enhance Your Microservices Part 1

.NET, Conference

Join me at Thrive Conference 2025 in Slovenia: Elevate Your .NET Skills!

Thrive Conference 2025, scheduled for June 2-4 in Radenci, Slovenia, offers developers and tech enthusiasts immersive sessions on .NET technology. My topics include pattern matching in C#, .NET Aspire integrations, and monitoring through OpenTelemetry. Attendees can connect with experts and enhance their skills in a wonderful city. Register now for an unforgettable experience. Continue reading Join me at Thrive Conference 2025 in Slovenia: Elevate Your .NET Skills!

.NET, Book

The First .NET Aspire Book!

My new book on .NET Aspire is available! It covers creating microservices with .NET, utilizing Azure services as well as on-premises deployment. Each chapter introduces key concepts, tools, and techniques, with practical examples and an application which grows chapter by chapter. The article gives more ifnormation about the content of the book and provides links to grab a copy! Continue reading The First .NET Aspire Book!

.NET, CSharp

System.Text.Json Serializing Hierarchical Data

The System.Text.Json serializer that was introduced with .NET Core 3.0 gets new features with every new .NET version. With .NET 7, features such as type hieararchies, contract customization, and source generator features have been added. This article shows using the JSON serializer with a hierarchy, and using a source generator. Continue reading System.Text.Json Serializing Hierarchical Data

.NET, Docker, Entity Framework Core

Using MySQL in a Docker container with EF Core

Running MySQL in a Docker container, and accessing it from EF Core Continue reading Using MySQL in a Docker container with EF Core

.NET Core, ASP.NET Core, Azure, Blazor, Book, CSharp, Entity Framework Core, Professional C#, WinUI, XAML

Professional C# and .NET – 2021 Edition

The new edition of my book is available – covering .NET, C#, WinUI, ASP.NET Core, EF Core, and more! Compared to the previous edition, it not only covers the newest editions of C# and .NET, you don’t have to carry a book with 1500 pages – the number of pages have been reduced – but I made sure that all the important topics are covered, you shouldn’t miss anything important topics needed to develop applications with .NET, C#, and Microsoft Azure. Continue reading Professional C# and .NET – 2021 Edition