C# Tips and Tricks #14 – Convert C# object to Json string

You can easily convert the C# object to JSON string by using the Newtonsoft.Json NuGet package which is one of the popular serializer for the .NET Developers.

How to convert C# object to JSON string in C# ?

1. Ensure that the Newtonsoft.Json NuGet package is installed in the project.

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2. Assuming that you have a C# class with the following properties and you want them to be serialized.

public class Employee
   {
       public string FirstName { get; set; }
       public string LastName { get; set; }
       public DateTime JoinedDate { get; set; }
    }

3. You can serialize or convert the C# object to Json string with the SerializeObject method

Employee emp = new Employee();
emp.FirstName = "Senthil";
emp.LastName = "Balu";
emp.JoinedDate = DateTime.Now;
var jsonString = Newtonsoft.Json.JsonConvert.SerializeObject(emp);

Here’s the full code snippet demonstrating how to serialize the C# class and get the Json string.

using System;
using System.Collections.Generic;

namespace ConsoleApp1
 {
     public class Employee
     {
         public string FirstName { get; set; }
         public string LastName { get; set; }
         public DateTime JoinedDate { get; set; }
     }
     class Program
     {
         static void Main(string[] args)
         {
             Employee emp = new Employee();
             emp.FirstName = "Senthil";
             emp.LastName = "Balu";
             emp.JoinedDate = DateTime.Now;
             var jsonString = Newtonsoft.Json.JsonConvert.SerializeObject(emp);
             Console.WriteLine(jsonString);

            Console.ReadLine();
         }
     }
 }
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