ASP.NET Web API is a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices. ASP.NET Web API is an ideal platform for building RESTful applications on the .NET Framework.
September 8, 2016
by Christoff Truter
The ModelState.IsValid property (ApiController) merely checks for a zero validation error count for a passed model while ignoring the nullability of the object instance itself.