Deserialise Json file with newtonsoft and query with linq

Question

I'm new to Newtonsoft and I'm trying to deserialise my json file then query specific data points from it. Here is a sample of the json.

[
    {
        "reward_type": "1",
        "rejected": "0",
        "user_id": "538653",
        "granted": "0"
    },
    {
        "reward_type": "5",
        "rejected": "0",
        "user_id": "536345",
        "granted": "1"
    },
    {
        "reward_type": "5",
        "rejected": "0",
        "user_id": "539493",
        "granted": "1"
    }
]

I'm trying to query the values after each type. I've been trying to wrap my head around the documentation for Json.net for a few days, but I'm having trouble finding examples for deserializing files.

Here is what I've been using to parse the file.

InitializeComponent();
        JArray adData1 = JArray.Parse(File.ReadAllText(@"c:\ads.json"));
        using (StreamReader file = File.OpenText(@"c:\ads.json"))
        using (JsonTextReader reader = new JsonTextReader(file))
        {
            JsonSerializer serializer = new JsonSerializer();
            JArray adData2 = (JArray)serializer.Deserialize(file, typeof(JArray));

            JObject rewardType = (JObject)adData2[1];
            label1.Text = rewardType.ToString();
        }

Any help is appreciated.

Answer 1

From the suggestions:

Its only useable if the data have a common structure. You can Replace the DataTypes in the POCO, if you like

The POCO

public class Stuff {
    public string reward_type { get; set; }
    public string rejected { get; set; }
    public string user_id { get; set; }
    public string granted { get; set; }
}

How to use:

public void doThings() { 
// var s = File.ReadAllText("yourfilename.json");
    var s = @"{
""reward_type"": ""1"",
""rejected"": ""0"",
""user_id"": ""538653"",
""granted"": ""0""
},
{
""reward_type"": ""5"",
""rejected"": ""0"",
""user_id"": ""536345"",
""granted"": ""1""
},
{
""reward_type"": ""5"",
""rejected"": ""0"",
""user_id"": ""539493"",
""granted"": ""1""
}";
    // [] is needed to make it recognize it as list
    var listOfStuff = JsonConvert.DeserializeObject<List<Stuff>>("["+s+"]");
    foreach (var item in listOfStuff)
    {
        Console.WriteLine(item.user_id);
    }

}