Newtonsoft.Json/Src/Newtonsoft.Json.Tests/Documentation/Samples/Serializer/DefaultValueHandlingIgnore.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Newtonsoft.Json.Tests.Documentation.Samples.Serializer
{
    public class DefaultValueHandlingIgnore
    {
        #region Types
        public class Person
        {
            public string Name { get; set; }
            public int Age { get; set; }
            public Person Partner { get; set; }
            public decimal? Salary { get; set; }
        }
        #endregion

        public void Example()
        {
            #region Usage
            Person person = new Person();

            string jsonIncludeDefaultValues = JsonConvert.SerializeObject(person, Formatting.Indented);

            Console.WriteLine(jsonIncludeDefaultValues);
            // {
            //   "Name": null,
            //   "Age": 0,
            //   "Partner": null,
            //   "Salary": null
            // }

            string jsonIgnoreDefaultValues = JsonConvert.SerializeObject(person, Formatting.Indented, new JsonSerializerSettings
            {
                DefaultValueHandling = DefaultValueHandling.Ignore
            });

            Console.WriteLine(jsonIgnoreDefaultValues);
            // {}
            #endregion
        }
    }
}