Can't post any data in MVC 6 Web Api application - asp.net-mvc

Question

I have an Web Api application with simple controller. Get methods work fine, but i have an issue with post and put requests.
[Route("api/[controller]")]
[EnableCors("AllowAll")]
public class LessonController : Controller {
...
[HttpPut("{id}")]
public void Put(int id, [FromBody] Lesson lesson) {
...
}
....
}
where Lesson is
public class Lesson {
public int Id { get; set; }
public string Name { get; set; }
public string Text { get; set; }
public string Description { get; set; }
public bool IsModerated { get; set; }
public int? PrevLessonId { get; set; }
public int? NextLessonId { get; set; }
}
So i try to send request and have no luck, lesson is just an object with default-initialized properties. I sent request in two way: first with js
$.ajax({
type: "POST",
url: 'http://localhost:1822/api/lesson/1',
data: JSON.stringify({
lesson: {
description: "Fourth lesson description",
isModerated: true,
name: "Fourth lesson",
nextLessonId: 5,
prevLessonId: 3,
text: "Fourth lesson text"
}}),
contentType: "application/json",
success: function (data) {
alert(data);
}
});
and with Postman:
So the content type is correct. Can anyone tell me what problem is connected with?
UPD:
I have tried to use PostLesson model, that contains all properties from Lesson but Id and sent request via Postman with UpperCamelCase data in body, but it does not solve my problem.

Answer 1

I have solved my own issue. In fact the problem is pretty simple.
We just need to pass object in Post method that equals of structure of Lesson model without specify argument name. So my js code need looks like
$.ajax({
type: "POST",
url: 'http://localhost:1822/api/lesson/1',
data: JSON.stringify({
description: "Fourth lesson description",
isModerated: true,
name: "Fourth lesson",
nextLessonId: 5,
prevLessonId: 3,
text: "Fourth lesson text"
}),
contentType: "application/json",
success: function (data) {
alert(data);
}
});
For some addition information see this link.