How to Deserialize Nested JSON into C# Classes?

Deserialize JSON into nested C# classes

The JSON response retrieved from the REST API contains multiple job code entries nested in a complex structure. Deserializing this data requires a class structure that matches the JSON layout and an appropriate data type to handle the different keys.

First, create a root-level class RootObject that contains the properties Results of another class Results. Results will contain a JobCodes named Dictionary<string, JobCode>, where the string keys are job code identifiers ("1", "2", etc.) and the values ​​are JobCode objects.

Next, define the JobCode class whose properties map to JSON values: StatusCode, StatusMessage, Id, and Name.

To deserialize JSON, use:

RootObject obj = JsonConvert.DeserializeObject<RootObject>(json);

This will create an instance of RootObject which you can then access to retrieve a list of job codes like this:

List<JobCode> jobCodes = obj.Results.JobCodes.Values.ToList();

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