using System;

using System.Globalization;

​

public class Program

{

    public static void Main()

    {

        string date = DateTime.Now.ToString("dd/MM/yyyy");

        DateTime dt1 = DateTime.ParseExact(date, "dd/MM/yyyy", CultureInfo.InvariantCulture);

        string TextBox3 = dt1.AddDays(30).ToString("dd/MM/yyyy");

        switch(dt1.Day)

        {

            case 30: 

                Console.WriteLine("Good Status of Team Working Now");

                break;

            case 29: 

                Console.WriteLine("Bad Status of Team Working Now");

                break;

            case 27: 

                Console.WriteLine("Start to change Status of Team Working Now");

                break;

            default:

            Console.WriteLine("Nothing");//instead of this you can mention label control

                break;

        }

    }

}