pharm.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
           while(true){
               Console.WriteLine("\nWelcome to my Pharmacy management system\n1. Press ONE(1) to Buy a Drug\n2. Press TWO(2) to View Drug prices\n3. Press 3 to exit\n Your Input: --> ");
               string input = Console.ReadLine();
               int a = Convert.ToInt32(input);
               switch (a)
               {
                   case 1:
                       // call a function to buying drugs
                       buy_drug();
                       break;
                   case 2:
                       view_drug();
                       break;
                   case 3:
                       Environment.Exit(0);
                       break;
                   default:
                       break;
               }
               Console.ReadLine();
           }
        }

        private static void view_drug()
        {
            Console.WriteLine("This is where your guys will code the viewing drugs");
        }

        private static void buy_drug()
        {
            Console.WriteLine("This is where your guys will code the buying drugs");
        }
    }
}