Generic JSON parser in .NET / WPF?

Question

I've read lots of tutorials on how to deserialize a JSON object to an object of a particular using DataContractJsonSerializer. However, I'd like to deserialize my object to a Dictionary consisting of either Strings, Arrays or Dictionaries, such as System.Json does with SilverLight when I say JsonObject.Parse(myJSONstring).

Is there an equivalent to System.Json that I can use in my WPF project?

(just a short background: I'm fetching JSON objects that have way to much info, and I just want to use a little bit to fill out a String array)

Cheers

Nik

Serge Shultz · Accepted Answer · 2012-10-30 10:59:18Z

9

Just use .NET's built-in JavaScriptSerializer.

var jss = new JavaScriptSerializer();
var data = jss.Deserialize<dynamic>(jsonString);

//"data" actually implements IDictionary<string, object>
var p1 = data["Property1"];
var p2 = data["Property2"];

Don't forget to reference "System.Web.Extensions"

answered Oct 30, 2012 at 10:59

Serge Shultz

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Rory · Accepted Answer · 2009-12-03 15:25:08Z

3

Take a look at the C# section (scoll to the bottom) of http://json.org/, they have several implementations of serializers and parsers that should help.

answered Dec 3, 2009 at 15:25

Rory

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Grzenio · Accepted Answer · 2009-12-03 15:39:13Z

1

I successfully use JayRock: http://jayrock.berlios.de/

public class JayRockMarshaller : IMarshaller
{
    public ICollection Read(string text)
    {
        return (ICollection)new ImportContext().Import(new JsonTextReader(new StringReader(text)));
    }

    public string Write(ICollection objectToMarshal)
    {
        var writer = new StringWriter();
        new ExportContext().Export(objectToMarshal, new JsonTextWriter(writer));
        return writer.ToString();
    }
}

Works for both Dictionaries and Lists like a dream.

answered Dec 3, 2009 at 15:39

Grzenio

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Comments

Mr W · Accepted Answer · 2012-03-26 08:14:33Z

0

Also look at https://github.com/jlarsson/Kiwi.Json it handles all sorts of datatypes and you can easily create your own converter if the built in doesn't fit.

There's blog where you can find samples on this for example: http://dancewithcode.wordpress.com/2012/03/24/case-study-custom-json-converter-for-datatable/

answered Mar 26, 2012 at 8:14

Mr W

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