如何从JSON获取字段，然后将其余的JSON作为字节发送[]

Question

I have the following JSON

{   
   "Guid": "abc", 
   "Data": {
      "Json": [[1,42],[2,2]]
 }

And I would like to get it into this:

public class TempData
{
    public string Guid { get; set; }
    public Json Data { get; set; }
}

public class Json
{
    public byte[] Data { get; set; }
}

Using the following code i get the byte[] Data null, can anyone tell me why?

TempData data = JsonConvert.DeserializeObject<TempData>(jsonString);

Best regards

Answer 1

You have two mistakes in the mapping between your JSON and your serialized class:

The JSON contains a property Data , which is an object with property Json whereas the class contains a property Data which has a property Data . To fix this, modify the class as follows:

public class TempData
{
    public string Guid { get; set; }
    public DataData { get; set; }
}

public class Data
{
    public byte[] Json { get; set; }
}

The Json-property in the Json-document contains an array of arrays of ints. This cannot be serialized to a byte array. There are two possible options:

Change the Json to contain a proper byte array:

{   
   "Guid": "abc", 
   "Data": {
      "Json": [1,42,2,2]
 }

Or modify your class so it has an array of byte arrays:

public class TempData
{
    public string Guid { get; set; }
    public DataData { get; set; }
}

public class Data
{
    public byte[][] Json { get; set; }
}