Can abstract class be a parameter in a controller's action?

Question

I have an Action function inside of a Controller, which is being called with AJAX. That Action is taking in 1 parameter. Client side, I construct a JSON object which shoul

Answer 1

The framework has no way of knowing which specific implementation you want, neither it will take the responsibility of such decision. So you have two possibilities here:

1. Use a concrete type as action parameter
2. Write a custom model binder for this abstract class which based on some request parameters will return a specific instance.