Answer to Question #242885 in C# for Gayatri

Question

Using Serialization to persist business data

Q1) Define an array list and take inputs from the user and fill the array list so this array list values I want to serialize it into xml file using Soap formatter so implement this functionality.

Q2) Now create a class Customer with the following attributes

class Customer

{

public int CustomerID { set; get; }

public string CustomerName { set; get; }

public string City { set; get; }

}

Now serialize this class customer and fill the inputs into it and what values u have filled using properties of this class that customer filled object u serialize into binary format using Binary formatter and then again try to read the file and deserilize the customer object stored in binary format in that file .

U can use .dat files or .txt files as well .

Answer 1

Q1)

using System;
using System.IO;
using System.Runtime.Serialization.Formatters.Soap;
using System.Collections.Generic;


namespace App
{
    [Serializable]
    class Customer
    {


        public int CustomerID { set; get; }
        public string CustomerName { set; get; }
        public string City { set; get; }


    }


    class Program
    {






        static void Main(string[] args)
        {


            


            Console.Write("Enter number of customers: ");
            int n = int.Parse(Console.ReadLine());
            Customer []customers = new Customer[n];
            for (int i = 0; i < n; i++)
            {
                Customer customer = new Customer();
                Console.Write("Enter Customer ID: ");
                customer.CustomerID = int.Parse(Console.ReadLine());
                Console.Write("Enter Customer Name: ");
                customer.CustomerName = Console.ReadLine();
                Console.Write("Enter Customer City: ");
                customer.City = Console.ReadLine();
                customers[i]=customer;
            }




            SoapFormatter formatter = new SoapFormatter();


            using (FileStream fs = new FileStream("customers.soap", FileMode.OpenOrCreate))
            {
                formatter.Serialize(fs, customers);
            }


            Console.ReadLine();
        }


    }
}

Q2)

using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;


namespace App
{
    [Serializable]  
    class Customer
    {


        public int CustomerID { set; get; }
        public string CustomerName { set; get; }
        public string City { set; get; }


    }
   
    class Program
    {
       




        static void Main(string[] args)
        {
            Customer customer = new Customer();
            Console.Write("Enter Customer ID: ");
            customer.CustomerID = int.Parse(Console.ReadLine());
            Console.Write("Enter Customer Name: ");
            customer.CustomerName = Console.ReadLine();
            Console.Write("Enter Customer City: ");
            customer.City = Console.ReadLine();
            Serialize(customer, "customer.txt");


            Customer customerFromFile = Deserialize("customer.txt");


            Console.WriteLine("Customer ID: {0}", customerFromFile.CustomerID);
            Console.WriteLine("Customer Name: {0}", customerFromFile.CustomerName);
            Console.WriteLine("Customer City: {0}", customerFromFile.City);


            Console.ReadLine();
        }


        public static void Serialize(Customer customer, String filename)
        {
            Stream stream = File.OpenWrite(filename);
            BinaryFormatter formatter = new BinaryFormatter();
            formatter.Serialize(stream, customer);
            stream.Flush();
            stream.Close();
            stream.Dispose();
        }


        public static Customer Deserialize(String filename)
        {
            
            BinaryFormatter formatter = new BinaryFormatter();
            FileStream fs = File.Open(filename, FileMode.Open);
            object obj = formatter.Deserialize(fs);
            Customer customer = (Customer)obj;
            fs.Flush();
            fs.Close();
            fs.Dispose();
            return customer;
        }
    }
}