using System;

​

public class Program

{

    public static void Main()

    {

        dynamic stud = new Student();

        stud.DisplayStudentInfo(1, "Bill");

        stud.DisplayStudentInfo("1");

        stud.FakeMethod();

    }

}

​

public class Student

{

    public void DisplayStudentInfo(int id)

    {

        Console.WriteLine("Dummy Student");

    }

}