[HttpGet("{id?}")] // handles /students and /students/:id:
public IActionResult Read(int id)
{
if (id == default(int))
{
return(Ok(classroom.getAll()));
}
return(Ok(classroom.get(id)));
}
public IActionResult ReadOne(int id)
{
var student = classroom.get(id);
if (student == null)
{
return(NotFound()); //404
}
return(View(student));
}