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, Azure, Docker

Why should I use .NET Aspire?

.NET Aspire is designed for both developers and DevOps, streamlining development and deployment processes. It simplifies infrastructure setup, offers tools for monitoring resource usage, and integrates easily with existing applications. Incremental adoption allows developers to enhance projects without extensive changes, while providing support for various deployment methods and service integrations. Continue reading Why should I use .NET Aspire?

.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, ASP.NET Core, Azure, Entity Framework Core

Developing with Visual Studio on ARM: SQL Server Challenges

Sharing experiences using a Surface Laptop 7 with a Snapdragon ARM64 CPU for development. What’s not running on ARM? Continue reading Developing with Visual Studio on ARM: SQL Server Challenges

.NET, ASP.NET Core

Minimal API growing with .NET 7

To create REST API services with Microsoft .NET, the Minimal API was introduced with .NET 6 – with top-level statements based on some C# 10 features. This was great for very small services, but missed some features which are available with .NET 7. .NET 7 features such as typed results, grouped routes, and filters. Continue reading Minimal API growing with .NET 7

.NET, ASP.NET Core

Web API Updates with .NET 8

Preview 3 of .NET 8 includes a new project templates to create an API with a todo service instead of the weather forecast . Looking into the generated code of this template, there are a lot more changes going on such as a slim builder and using a JSON source generator which helps when using AOT to create native .NET binaries. This article investigates the changes coming. Continue reading Web API Updates with .NET 8

.NET, ASP.NET Core

Calling Web APIs using the dotnet CLI and HTTP Files with Visual Studio

Visual Studio 2022 17.5 includes new HTTP client tooling. This tool makes it easy to create API calls directly from Visual Studio, with a great output of the API results. It’s easy to directly debug API invocations with this tool. Another tool which I’m using since some years is the HTTP REPL which is available as a dotnet tool. This article shows how both of these tools. Continue reading Calling Web APIs using the dotnet CLI and HTTP Files with Visual Studio

.NET, ASP.NET Core, Azure, Docker

No more Dockerfiles with the help of .NET CLI

This article shows how to use dotnet publish to create a Docker image without using a Dockerfile – including deployment with GitHub Actions. Continue reading No more Dockerfiles with the help of .NET CLI

.NET, .NET Core, ASP.NET Core

Creating a Windows Service with .NET 6

Windows services are programs that are automatically started when the system starts up, or when the user logs in. They run in the background and can run with a different account than the logged-in user. .NET makes it easy to create Windows services or Linux daemons as shown in this article. Continue reading Creating a Windows Service with .NET 6

.NET Core, ASP.NET Core

Upgrading an ASP.NET Core Web API Project to .NET 6

Upgrading an ASP.NET Core 5 application to .NET 6, all what needs to be done is to change the project file for .NET 6, and update the NuGet packages to the new versions, and you’re done and can build and run the application. However, to take advantage of new features, and reduce the number of source code lines, some things can be changed – as shown in this article. Continue reading Upgrading an ASP.NET Core Web API Project to .NET 6