using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
 
namespace ExampleCodeFirst
{
    public class Departments
    {
        [Key]
        public int  Id { get; set; }
        public string Name { get; set; }
 
        public virtual IEnumerable<Employee> Employees { get; set; } // Định nghĩa quan hệ one-to-many
    }
}