Simplify JSON Serialization & Deserialization in .NET

Introduction

JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is a text format that is completely language-independent but uses conventions that are familiar to programmers of the C family of languages, including C#. In this article, we will look at how to handle JSON Serialization and Deserialization in .NET efficiently.

Handling JSON in .NET

While developing applications in .NET, JSON is widely used to transfer data between different applications. JSON Serialization refers to the process of converting an object’s state to a JSON format that can be stored or transmitted.

In .NET, serializing and deserializing JSON data can be done using the built-in System.Text.Json library or by using popular third-party libraries such as Newtonsoft.Json (Json.NET).

Let’s take a look at how we can achieve JSON serialization and deserialization in .NET using both libraries.

Using System.Text.Json library

To use the System.Text.Json library, you can use the JsonSerializer class to perform serialization and deserialization.

Here is an example of how to use the JsonSerializer to serialize an object to a JSON string:

using System;
using System.Text.Json;

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

class Program
{
    static void Main(string[] args)
    {
        Person person = new Person { Name = "Tech Artifacts", Age = 50 };
        string json = JsonSerializer.Serialize(person);
        Console.WriteLine(json);
    }
}

This will output the following JSON string on the console.

{"Name":"Tech Artifacts","Age":50}

You can also use the JsonSerializer to deserialize a JSON string into an object:

string json = "{\"Name\":\"Tech Artifacts\",\"Age\":50}";
Person person = JsonSerializer.Deserialize<Person>(json);
Console.WriteLine(person.Name);

This will output the following on the console.

Tech Artifacts

Using Newtonsoft.Json

Another popular way to handle JSON in .NET is by using Newtonsoft.Json library (Json.NET) which is a popular third-party library for working with JSON data.

The Newtonsoft.Json library is available as a NuGet package. In order to use it, you need to first install it via Nuget Package Manager or Package Manager Console. To install it using Package Manager Console, run the below command.

Install-Package Newtonsoft.Json

Once the library is installed, you can use the JsonConvert class to perform serialization and deserialization operations.

Here is an example of how to use JsonConvert to serialize an object to a JSON string.

using Newtonsoft.Json;

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

class Program
{
    static void Main(string[] args)
    {
        Person person = new Person { Name = "Tech Artifacts", Age = 50 };
        string json = JsonConvert.SerializeObject(person);
        Console.WriteLine(json);
    }
}

This will output the following JSON string.

{"Name":"Tech Artifacts","Age":50}

And you can use JsonConvert to deserialize a JSON string into an object.

string json = "{\"Name\":\"Tech Artifacts\",\"Age\":50}";
Person person = JsonConvert.DeserializeObject<Person>(json);
Console.WriteLine(person.Name);

This will output the following on the console.

Tech Artifacts

Conclusion

The process of serialization can be done by invoking the serialization method and passing the object to be serialized as an argument to it. The method will then convert the object into a JSON format and return it as a string.

Once the object is serialized, it can be stored or transmitted, for example, by saving it to a file, sending it over a network, or storing it in a database. JSON serialization is commonly used in web services, RESTful APIs, and data transfer between different systems.

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