C# Parse Json with multiple objects and arrays newtonsoft

Question

I'm attempting to parse a rather convoluted/unnecessarily complicated JSON output using newtonsoft in C# however for some reason my parser always returns null. I have searched all over SO and cant't seem to find a solution.

An example of a JSON file I'm trying to parse:

{
  "success": 1,
  "d": {
    "gameData": {
      "MJ2Y7tDg": {
        "scores": [
          {
            "max": 1.83,
            "avg": 1.73,
            "rest": 2,
            "active": true,
            "scoreid": "2c556xv464x0x4vtqc"
          },
          {
            "max": 3.47,
            "avg": 3.24,
            "rest": 2,
            "active": true,
            "scoreid": "2c556xv498x0x0"
          },
          {
            "max": 6.06,
            "avg": 5.08,
            "rest": 1,
            "active": true,
            "scoreid": "2c556xv464x0x4vtqd"
          }
        ],
        "count": 62,
        "highlight": [
          false,
          true
        ]
      },
      "jZICYUQu": {
        "scores": [
          {
            "max": 2.25,
            "avg": 2.13,
            "rest": null,
            "active": true,
            "scoreid": "2c5guxv464x0x4vuiv"
          },
          {
            "max": 3.55,
            "avg": 3.29,
            "rest": null,
            "active": true,
            "scoreid": "2c5guxv498x0x0"
          },
          {
            "max": 3.9,
            "avg": 3.33,
            "rest": null,
            "active": true,
            "scoreid": "2c5guxv464x0x4vuj0"
          }
        ],
        "count": 62,
        "highlight": [
          false,
          false
        ]
      }
    }
  }
}

This is what i have so far, I am very new to JSON wrangling :)

public class RootObject
    {
        public int success { get; set; }
        public List<d> d { get; set; }
    }

    public class d
    {
        public List<gameData> gameData { get; set; }
    }

    public class gameData
    {
        public IDictionary<string, Score> gameData{ get; set; }
        public List<scores[]> GameList;
    }
    public class Score
    {
        public double max { get; set; }
        public double avg { get; set; }
        public int rest { get; set; }
        public bool active { get; set; }
        public string scoreid { get; set; }
    }

Anyone with more JSON wrangling experience know how to get this working?

Thankyou in advanced. P.S I am currently in high school, learning C#

he shows the code of the classes he tries to deserialize into, what else is necessary? — felix-b
– felix-b, Commented Jul 13, 2016 at 5:53

felix-b · Accepted Answer · 2016-07-13 05:52:02Z

3

The parser returns null because structure of your classes doesn't correctly resemble the structure of JSON. The correct structure of classes would be:

public class RootObject
{
    public int success { get; set; }
    public Class_d d { get; set; }
}

public class Class_d
{
    public Dictionary<string, GameData> gameData { get; set; }
}

public class GameData
{
    public List<Score> scores { get; set; }
    public int count { get; set; }
    public bool[] highlight { get; set; }
}

public class Score
{
    public decimal max { get; set; }
    public decimal avg { get; set; }
    public int? rest { get; set; }
    public bool active { get; set; }
    public string scoreid { get; set; }
}

and you can use it as follows:

string json = "..."; // the JSON in your example
RootObject root = JsonConvert.DeserializeObject<RootObject>(json);

edited Jul 13, 2016 at 5:52

answered Jul 13, 2016 at 5:46

felix-b

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2 Comments

Tynan Brown Over a year ago

Thank you Felix-b . One more thing how would I go about dumping the data, using console.writeline.

Louis Over a year ago

The above code doesn't work. Class_d cannot be parsed. GameData & Score are fine.

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