C# How to deserialize nested Json data

Question

I have a Json data with two fields which are ID and Content. Content will store another Json data. I want to deserialize the first (outer side) Json only. Is it possible to do that?

{"Json1":
[
{"ID":"123",
"Content":"{"Json2":[{"test1":"234","test2":"456"}]}"}
]}

public class testing
{
    public List<testing2> Json1 { get; set; }
}
public class testing2
{
    public string ID { get; set; }
    public string Content { get; set; }
}

var serializer = new System.Web.Script.Serialization.JavaScriptSerializer();
testing test= serializer.Deserialize<testing>(JsonData);

I expect the value of test.Json1[0].Content is equal to {"Json2":[{"test1":"234","test2":"456"}]} after deserialization. However, exception "Invalid object passed in, ':' or '}' expected." is prompted for the above code.

Is your content even valid json? It looks like you aren't escaping quotes so how do you know when the string ends or its just a quote from the inner connect? — Charleh
– Charleh, Commented Dec 8, 2016 at 8:19
Try to validate it here jsonlint.com and than post here the valid JSON — Artiom
– Artiom, Commented Dec 8, 2016 at 8:24

Artiom · Accepted Answer · 2016-12-08 09:02:27Z

2

As was said above your json is invalid. Escape quotes with \,

var jsonData=@"{
    ""Json1"": [{
    ""ID"": ""123"",
    ""Content"": ""{\""Json2\"":[{\""test1\"": \""234\"",\""test2\"":\""456\""}]}""
    }]
    }";

Here is an example of deserializing with NewtwonJson

var instance = JsonConvert.DeserializeObject<testing>( jsonData);

edited Dec 8, 2016 at 9:02

answered Dec 8, 2016 at 8:44

Artiom

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