Create a JSON string in C#

Create a JSON string in C#

{ "Name" : "22", "Age" : "0", "FullAddress" : "-5", "Interest" : "0" } to create a json string as shown below, here is what you could use. string myJsonString = "{" + "\"Name\": \"" + model.FirstName + "\", " + "\"Age\": \"" + model.Age + "\", " + "\"Address\": \"" +...