//实体类，users.cs
namespace OwnerUsers
{
  public class Users
  {
    public Users(){}

    private int _id;
    private string _username;
    private string _password;
    
    public int ID
    {
      get{return _id;}
      set{_id = value;}
    }
    public string Userame
    {
      get{return _username;}
      set{_username= value;}
    }
    public string Password
    {
      get{return _password;}
      set{_password= value;}
    }

  }
}

//Test
namespace OwnerUsers
{
  pulic class Test
  {
    public static void Main(string[] args)
    {
      List<Users> list = new List<Users>();
      for(int i=0; i<5; i++)
      {
        Users user = new Users();
        user.ID = 1;
        user.Username = "U"+i.ToString();
        user.Password = "P"+i.Tostring();
        list.Add(user);
      }
      foreach(Users u in list)
      {
        Console.WriteLine("{},{1},{2}",u.ID,u.Username,u.Password);
      }
    }
  }
}