[Solved] ApiVersion attribute not working in .NET 8 – C#

by
Maya Patel
.net-8.0 abstractclass asp.net-core-webapi asp.net-routing

Quick Fix: To resolve the issue, update your Asp.Versioning NuGet packages to version 8.0.0. This will ensure compatibility with .NET 8 and provide support for the ApiVersion attribute.

The Problem:

ApiVersion attribute not working in .Net 8

The Solutions:

Solution 1: Update Asp.Versioning packages to version 8.0.0

For anyone else still facing a similar issue to this .NET 8 Support is available. Simply update your Asp.Versioning packages to version 8.0.0.

Q&A

What is the reason for ApiVersion attribute not working in .NET 8?

The ApiVersion attribute is no longer supported in .NET 8. Use [Asp.Versioning.ApiVersion("1.0")] instead.

How to fix the ApiVersion attribute issue in .NET 8?

Update your Asp.Versioning packages to version 8.0.0.

What is the reason for multiple routes not working in .NET 8 Swagger?

Multiple routes at both the class level and method level are no longer supported. Move the routes to the method level.

Video Explanation:

The following video, titled "Implementing Modern API Versioning in .NET - YouTube", provides additional insights and in-depth exploration related to the topics discussed in this post.

Play video

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