.netcore of dynamic has Bug

Question

namespace Command
{
public class ClassTest
{
public static dynamic getusers()
{

        return new { Id = 1, Name = "test" };  


    }  
}  

}

static void Main(string[] args)
{

        dynamic u = ClassTest.getusers();            
        Console.WriteLine(u.Id);  
        Console.ReadKey();           

    }   

------------------------
this bug------------------------------
Microsoft.CSharp.RuntimeBinder.RuntimeBinderException:“'object' does not contain a definition for 'Id'”

Answer 1

dynamic access to anonymous objects is only supported by .net core. the 4.* runtime does not support

Answer 2

this is .net core.

Answer 3

Try net 6

using System;  
  
dynamic u = ClassTest.getusers();            
Console.WriteLine(u.Id);  
  
public class ClassTest  
{  
    public static dynamic getusers()  
    {  
		return new { Id = 1, Name = "test" };  
    }  
}  

Answer 4

But the dynamic type does have bugs