using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Collections;

​

namespace Practice

{

    class Program

    {

​

        static void Main(string[] args)

        {

            int input_choice = 0;

            do

            {

                Console.WriteLine("Press 1 Add New Contact  || Press 2 for Display Contact ||Press 3 for Modify Contact ||Press 4 for Display All || Press 0 to close");

                input_choice = Convert.ToInt32(Console.ReadLine());

                Contact_Service cs = new Contact_Service();

                if (input_choice == 1)

                {

                    int ContactNo = Convert.ToInt32(Console.ReadLine());

                    string name = Console.ReadLine();

                    string cellNo = Console.ReadLine();

                    Contact cObj = new Contact(ContactNo, name, cellNo);

                    cs.AddContact(cObj);

​

                }

​

                else if (input_choice == 2)

                {

                    int con_search = Convert.ToInt32(Console.ReadLine());

​

                    cs.DisplayContact(con_search);

​

                }

​

            }

            while (input_choice != 0);

​

            //Contact_Service cs = new Contact_Service();

            //int ContactNo = Convert.ToInt32(Console.ReadLine());

            //string name = Console.ReadLine();

            //string cellNo = Console.ReadLine();

            //Contact cObj = new Contact(ContactNo, name, cellNo);

            //cs.AddContact(cObj);

​

            //int con_search = Convert.ToInt32(Console.ReadLine());

​

            //  cs.DisplayContact(con_search);

​

            //cs.EditContact(con_search,"Amit Raj","123");

​

​

​

​

​

        }

    }

}

​