File I/O and Serialization in C#

Working with Files and Streams

In the realm of C# programming, file input/output (I/O) and stream handling form the backbone of data manipulation. Files and streams allow developers to interact with external data sources efficiently, enabling data reading, writing, and serialization.

Reading and Writing Data to Files

Reading and writing data to files are common tasks in any application. C# offers several methods and classes to facilitate these operations.

Example: Writing Data to a File

string content = “Hello, File I/O!”;
string filePath = “example.txt”;

// Write data to the file
File.WriteAllText(filePath, content);
Example: Reading Data from a File

string filePath = “example.txt”;

// Read data from the file
string content = File.ReadAllText(filePath);

Object Serialization (XML, JSON)

Serialization is a critical process of converting objects into a format suitable for storage or transmission. C# supports object serialization in various formats like XML and JSON.

Example: XML Serialization

using System.Xml.Serialization;

public class Person
public string Name { get; set; }
public int Age { get; set; }

// Serialize object to XML
Person person = new Person { Name = “John”, Age = 30 };
XmlSerializer xmlSerializer = new XmlSerializer(typeof(Person));
using (StreamWriter writer = new StreamWriter(“person.xml”))
xmlSerializer.Serialize(writer, person);
Example: JSON Serialization

using System.Text.Json;

// Serialize object to JSON
Person person = new Person { Name = “John”, Age = 30 };
string jsonString = JsonSerializer.Serialize(person);
File.WriteAllText(“person.json”, jsonString);


File I/O and serialization are indispensable aspects of C# programming, enabling seamless data handling and storage. By mastering file I/O and stream handling, developers can efficiently read, write, and manipulate data from external sources. Additionally, object serialization in XML and JSON formats empowers applications to exchange data effortlessly.

Embrace the power of file I/O and serialization in C#, and elevate your data handling capabilities to new heights. These fundamental skills are essential for building efficient, scalable, and data-driven applications. So, dive into the world of C# file I/O and serialization, and unleash the true potential of your C# projects!

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