using System;

using SimpleInjector;

namespace DependancyInj

{

    public interface IDep

    {

        string Printdata();

    }

    public class DL1:IDep

    {

        public string Printdata()

        {

            return "My name is Ram..";

        }

    }

    public class DL2:IDep

    {

        public string Printdata()

        {

            return "My name is Shyam..";

        }

    }

    public class Program

    {

        public static void Main()

        {

            BL B = new BL();

            var BLdata = B.getinst();

            Console.WriteLine(BLdata.Printdata());

        }

    }

    public class BL

    {

        public IDep getinst()

        {

            var container = new Container();  

            container.Register<IDep, DL1>();

            IDep data = container.GetInstance<IDep>();

            return data;

        }

    }

​

}