In other words we wont be using NewtonsoftJson package unless when we really want to.

How to use system.text.json in c#. The SystemTextJsonSerialization namespace contains attributes and APIs for advanced scenarios and customization specific to serialization and deserialization. Starting with the upcomingNET 60 Preview 7 this wont be necessary when targeting net60. The SystemTextJson namespace contains all the entry points and the main types.

You can try out the source generator by using the latest build of the SystemTextJson NuGet package. Step 3 Send requests to see it work. Using var dom JsonObjectParse.

Record Userstring Name string Occupation MyDate DateOfBirth. Public string Summary get. JsonSerializerOptions options new WriteIndented true.

JsonNamingPolicy public override string ConvertNamestring name nameToUpper. Namespace SystemTextJsonSamples public class UpperCaseNamingPolicy. Namespace CopyOptions public class Forecast public DateTime Date get.

The code examples shown in this article require using directives for one or both of these namespaces. Change JSON settings at the controller level including deserialization Step 1 Create the custom converter. To determine if objects are equal SystemTextJson uses ReferenceEqualityComparerInstance which uses reference equality ObjectReferenceEquals Object Object instead of value equality ObjectEquals Object when comparing two object instances.

Its worth noting that if we implement JsonNET in the following way all calls to the JSON-related methods provided by the MicrosoftAspNetCoreMvc namespace such as the Json method weve used in the preceeding paragraph will default to the SystemTextJson APIs. Step 2 Pass in the custom converter at the service level. Var user new UserJohn Doe gardener new MyDate1995 11 30.