Create Web API: v9 update sample update and rewrite for VSC version OpenAPI UI gen

[wadepickett]

Description

Update to .NET 9. using .NET 9 template and latest for OpenAPI

Instruction for older versions needs to indicate the version of the Nuget package to select, or simply state to choose the latest version available to match the project target.

Update the code and content for the VSC tab version to use a recommended OpenAPI UI gen with v9 such as scalar or move to curl.

Page URL

https://learn.microsoft.com/en-us/aspnet/core/tutorials/first-web-api?view=aspnetcore-9.0&tabs=visual-studio#scaffold-a-controller-1

Content source URL

https://github.com/dotnet/AspNetCore.Docs/blob/main/aspnetcore/tutorials/first-web-api.md

Document ID

95f2549e-29f9-e31a-b4d0-432b971643ff

Article author

@wadepickett

---

Associated WorkItem - 291122