using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        string txtJoinedDateText = "2014/10/27";

        var member = new Member();

        member.JoinedDate = DateTime.Parse(txtJoinedDateText);

        Console.WriteLine(member.JoinedDate);

        Console.WriteLine(ValidateDates(""));

        Console.WriteLine(ValidateDates("2014/10/27"));

        Console.WriteLine(ValidateDates("fer"));

        var fields = new List<MemberField> { 

            new MemberField { ID = 0, Order = 5 } ,

            new MemberField { ID = 10, Order = 2 } ,

            new MemberField { ID = 20, Order = 3 } ,

            new MemberField { ID = 30, Order = 4 } 

        };

        var order = fields.Where(x => x.ID == 0).Select(x => x.Order).FirstOrDefault();

        Console.WriteLine(order);

    }

     private static bool ValidateDates(string date)

     {

         DateTime validDate;

         return !(date.Equals(string.Empty)) && DateTime.TryParse(date, out validDate);

     }

}

​

public class Member {

    public DateTime? JoinedDate {get; set; }

}

​

public class MemberField {

    public int ID {get; set;}

    public int Order {get; set;}

}

​