Monthly Archives: July 2016

Announcing WebApiContrib for ASP.NET Core

In the past, a bunch of us from the ASP.NET Web API community worked together on a WebApiContrib project (or really, projects, cause there were many of them!).

The idea was to provide an easy to use platform, a one stop place for community contributions for ASP.NET Web API – both larger add ons, such as HTML/Razor support for Web API, as well as smaller things like i.e. reusable filters or even helper methods. This worked extremely well – WebApiContrib packages were downloaded over 500k times on Nuget, and a nice community has emerged around the project on Github.

Recently, we decided to restart the project, this time focusing on ASP.NET Core. Since the “brand” has caught on in the community and is fairly recognizable, we just called it WebApiContrib.Core.

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Customizing FormatFilter behavior in ASP.NET Core MVC 1.0

When you are building HTTP APIs with ASP.NET Core MVC, the framework allows you to use FormatFilter to let the calling client override any content negotiation that might have happened on the server side.

This way, the client can – for example – force the return data to be JSON or CSV or any other format suitable (as long as the server supports it, of course) for his consumption.

The built-in mechanism (out of the box version of FormatFilter) is a little limited, so let’s have a look at how you can extend and customize its behavior.

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