What is the best way to deserialize a JSON object containing a multi-dimensional array?

I am struggling with converting a JSON object containing a multidimensional array to my class. Despite trying to deserialize the json object, I have not been successful as the JsonMaclar class object remains null. Any assistance would be greatly appreciated.

Below is the script code;

var allFields = new Array();
allFields.push({
                        FirstParticipantId: firstParticipantId.val(),
                        SecondParticipantId: secondParticipantId.val(),
                        FirstScore: firstScore.val(),
                        SecondScore: secondScore.val(),
                        GameCount: gameCount.val(),
                        GameDuration: gameDuration.val(),
                        GameTime: gameTime.val(),
                        Defaulted: defaulted.is(':checked'),
                        IncludeRating: includeRating.is(':checked'),
                        ShowInTable: showInTable.is(':checked'),
                        GameDate: gameDate.val()
                    });

$("#<%=btnSaveGames.ClientID %>").click(function () {

            var jsonText = JSON.stringify({
                allGamesArray: allFields
        });
        $('#<%= hfGames.ClientID %>').val(jsonText);

});

Here is the C# code;

protected void btnSaveGames_Click(object sender, EventArgs e)
    {
        JavaScriptSerializer serializer = new JavaScriptSerializer();
        JsonGames tournamentGames = serializer.Deserialize<JsonGames>(hfGames.Value);
    }
public class JsonGames {
    List<JsonGame> allGamesArray { get; set; }    
}

public class JsonGame {
    String FirstParticipantId { get; set; }
    String SecondParticipantId { get; set; }
    String FirstScore { get; set; }
    String SecondScore { get; set; }
    String GameCount { get; set; }
    String GameDuration { get; set; }
    String GameTime { get; set; }
    String Defaulted { get; set; }
    String IncludeRating { get; set; }
    String ShowInTable { get; set; }
    String GameDate { get; set; }
}

Answer №1

If you're looking for a reliable way to serialize and deserialize your C# objects into JSON, I highly recommend using JSON.NET. This open-source library simplifies the process and allows for seamless conversion between C# objects and JSON data.

Serialization Example:

Product product = new Product();
product.Name = "Apple";
product.Expiry = new DateTime(2008, 12, 28);
product.Price = 3.99M;
product.Sizes = new string[] { "Small", "Medium", "Large" };

string json = JsonConvert.SerializeObject(product);
//{
//  "Name": "Apple",
//  "Expiry": new Date(1230422400000),
//  "Price": 3.99,
//  "Sizes": [
//    "Small",
//    "Medium",
//    "Large"
//  ]
//}

Product deserializedProduct = JsonConvert.DeserializeObject<Product>(json);

Json.NET 4.5 Release 8 – Enhancements in Multidimensional Array Support and Unicode Json.NET now has enhanced support for serializing and deserializing multidimensional arrays. If your type includes a multidimensional array property, it seamlessly handles the conversion process without any extra steps required.

string[,] famousCouples = new string[,]
  {
    { "Adam", "Eve" },
    { "Bonnie", "Clyde" },
    { "Donald", "Daisy" },
    { "Han", "Leia" }
  };

string json = JsonConvert.SerializeObject(famousCouples, Formatting.Indented);
// [
//   ["Adam", "Eve"],
//   ["Bonnie", "Clyde"],
//   ["Donald", "Daisy"],
//   ["Han", "Leia"]
// ]

string[,] deserialized = JsonConvert.DeserializeObject<string[,]>(json);

Console.WriteLine(deserialized[3, 0] + ", " + deserialized[3, 1]);
// Han, Leia

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