Capture exception during request deserialization in WebAPI C#

Question

I\'m using WebAPI v2.2 and I am getting WebAPI to deserialise JSON onto an object using [FromBody] attribute. The target class of the deserialisation has a [OnDeserialized]

Answer 1

You can check ModelState.IsValid inside your controller. If "OnDeserialisedMethod" throws an exception (or any other model validation fails) it will be false, if everything succeed it will be true.