using System;

using System.Collections;

​

namespace CustomerOrderSystem_Assignment1

{

    public class Program

    {

​

        public static void Main()

        {

            ArrayList customerList = new ArrayList();

            string optionrepeat;

​

            Console.WriteLine("...................................................");

            Console.WriteLine("\t Simple Purchase Order Reporting System");

            Console.WriteLine("\t Enter Customer with the order Information ");

            Console.WriteLine("...................................................");

​

            do

            {

                customerList.Add(new Customer());

                Console.WriteLine("Do you have more Customer (y/n)? : ");

                optionrepeat = Console.ReadLine();

            } while (optionrepeat == "y");

​

            Console.WriteLine("...................................................");

            Console.WriteLine("\t Simple Purchase Order Reporting System");

            Console.WriteLine("\t Prodide Customer and Order Records ");

            Console.WriteLine("...................................................");

            foreach (Customer _customer in customerList)

            {

                _customer.displayCustomer();

            }

            Console.WriteLine("...................................................");

            Console.ReadLine();

        }

​

    }

​

    class Customer

    {

        string FirstName;

        string LastName;

        ArrayList list = new ArrayList();

​

        public Customer()

        {

            string optionrepeat;

​

            Console.Write("Enter Customer's FirstName:");

            FirstName = Console.ReadLine();

            Console.Write("Enter Customer Last Name: ");

            LastName = Console.ReadLine();

            Console.WriteLine("Enter order information for " + FirstName + " " + LastName);

​

            do

            {

                list.Add(new Order());

                Console.WriteLine("Do you have more Order for" + FirstName + " " + LastName + "?(y/n) : ");

                optionrepeat = Console.ReadLine();

            } while (optionrepeat == "y");

​

        }

​

        public void displayCustomer()

        {

            Console.WriteLine("\n Product Order(s) of Customer = {0} {1}", FirstName, LastName);

            Console.WriteLine(" {0,-10} {1,15} {2,15}", "PRODUCT NAME", "PRICE $", "QUANTITY");

            foreach (Order _order in list)

            {

                _order.displayOrder();

            }

        }

    }

​

    class Order

    {

        string productName;

        float price;

        int quantity;

​

        public Order()

        {

            Console.Write(" Enter Product type:");

            productName = Console.ReadLine();

            Console.Write(" Enter Product price ($):");

            price = float.Parse(Console.ReadLine());

            Console.Write(" Enter Product Quantity:");

            quantity = int.Parse(Console.ReadLine());

        }

​

        public void displayOrder()

        {

            Console.WriteLine(" {0,-10} {1,15} {2,15}", productName, price, quantity);

        }

    }

}