C# Serialization

In C#, serialization refers to the transformation of an object into a byte stream, enabling it to be stored in memory, a file, or a database. The opposite procedure, deserialization, involves converting the byte stream back into an object.

Serialization is commonly employed within distributed applications.

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C# SerializableAttribute

To serialize an object, it is necessary to assign the SerializableAttribute attribute to the respective type. Failure to add the SerializableAttribute attribute to the type will result in a SerializationException exception being raised during runtime.

C# Serialization example

Let's explore a basic illustration of serialization in C#. In this scenario, we will serialize an instance of the Student class. The process involves employing the BinaryFormatter.Serialize(stream, reference) technique to serialize the object.

using System;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
[Serializable]
class Student
{
    int rollno;
    string name;
    public Student(int rollno, string name)
    {
        this.rollno = rollno;
        this.name = name;
    }
}
public class SerializeExample
{
    public static void Main(string[] args)
    {
        FileStream stream = new FileStream("e:\\sss.txt", FileMode.OpenOrCreate);
        BinaryFormatter formatter=new BinaryFormatter();
        
        Student s = new Student(101, "sonoo");
        formatter.Serialize(stream, s);

        stream.Close();
    }
}

sss.txt:

JConsoleApplication1, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null Student rollnoname e sonoo

To access the information, it is necessary to deserialize the serialized data from the file.