string json to object c#

using Newtonsoft.Json;

var jsonString = JsonConvert.SerializeObject(obj);Newtonsoft.Json.JsonConvert.SerializeObject(new {foo = "bar"})var resultCon = JsonConvert.DeserializeObject<Dictionary<string, string>>(jsonStr);

//or
string json = "{\"ID\": 1, \"Name\": \"Abdullah\"}";
User user = JsonConvert.DeserializeObject<User>(json);
/*
public class User
{
    public int ID { get; set; }
    public string Name { get; set; }
}
*/