/*

In the main method, create a loop that goes through each person in the People array, converts the birthday to a DateTime (if well formatted),

and prints the date in the format of DayOfWeek, Month Day, Year - for example: "Monday, January 1, 2000"

*/

​

using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        CultureInfo enUS = new CultureInfo("en-US");

            string[] formats = {"MM/dd/yy","MM/dd/yyyy", "MM/dd/yyyy hh:mm:ss","MM/dd/yy hh:mm:ss",

                         "MM/dd/yyyy hh:mm:ss", "M/d/yyyy h:mm:ss", 

                         "M/d/yyyy hh:mm tt", "M/d/yyyy hh tt", 

                         "M/d/yyyy h:mm", "M/d/yyyy h:mm", 

                         "MM/dd/yyyy hh:mm", "M/dd/yyyy hh:mm" };

​

            DateTime dateValue;

            foreach (Person person in People)

            {

                foreach (string dateFormat in formats)

                {

                    if (DateTime.TryParseExact(person.Birthday, dateFormat, enUS, DateTimeStyles.None, out dateValue))

                    {

                        Console.WriteLine(dateValue.DayOfWeek + "," + dateValue.ToString("MMMM", enUS) + " " + dateValue.Day + ", " + dateValue.Year);

                        break;

                    }

                }

            }

    }

    static Person[] People = new Person[]{

        new Person{ FirstName="Andy", Birthday="11/26/80" }, 

        new Person{ FirstName="Arron", Birthday="08/09/90" }, 

        new Person{ FirstName="David", Birthday="12/29/1989" }, 

        new Person{ FirstName="Stacey", Birthday="11/01/82 12:35:00" }, 

        new Person{ FirstName="Tom", Birthday=null }

    };

}

​

class Person

{

    public string FirstName{get;set;}

    public string Birthday{get;set;}    

}