API Json Deserialize C# Class

Question

I am trying to deserialize a Json response from an API. The data looks like this.

 {
      "api": {
        "results": 1,
        "aaa": [
          [
            {
              "bbb": 1,
              "ccc": 85,
              "ddd": "this is  test1",
              "eee": "this is  test2",
              "fff": "orang",
              "ggg": "apple",
              "hhh": "this is test3",
              "iii": {
                "iia": 35,
                "iib": 27,
                "iic": 4
              },
              "jjj": {
                "jja": 18,
                "jjb": 16,
                "jjc": 2
              },
              "kkk": {
                "kka": 17,
                "kkb": 11,
                "kkc": 2,

              },
              "lll": 67,
              "mmm": 85,
              "nnn": "2019-05-04"
            }
          ]
        ]
      }
    }

and, for more information about Json schema for this case is

 {
      "type": "object",
      "properties": {
        "api": {
          "type": "object",
          "properties": {
            "results": {
              "type": "integer"
            },
            "aaa": {
              "type": "array",
              "items": {
                "type": "array",
                "items": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    }

and i have create a custom class to read the json content http://json2csharp.com/ :

public class Api
{
    public int results { get; set; }
    public List<List<>> aaa { get; set; }
}

public class RootObject
{
    public Api api { get; set; }
}

what is correct class for this json? What should I do to correct this?

Take a look at this line public List<List<>> aaa { get; set; } That just won't compile, needs to have a type, I'm assuming you could KeyValuePair? — andyb952
– andyb952, Commented Sep 3, 2019 at 9:40
Is wired to have a List in a List, with no defined object inside, are you sure that the json is correct? if you delete a pair of [ ], the generated class is really different — DomCR
– DomCR, Commented Sep 3, 2019 at 9:48
Json is modified enought to remove the meaning. I will recommend making a minimal reproducible example with correct name. It's hard to know if aa bb cc are diferent property or if it should be deserialised to a dictionnary<string,string>. — xdtTransform
– xdtTransform, Commented Sep 3, 2019 at 13:39

MohammadReza Vahedi · Accepted Answer · 2019-09-03 11:27:24Z

1

You must create a class for each object. so you must create a class for this section:

"items": {
            "type": "object"
         }

and then use this class in this line:

public List<List<Item>> aaa { get; set; }

answered Sep 3, 2019 at 11:27

MohammadReza Vahedi

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Comments

Just Shadow · Accepted Answer · 2019-09-03 11:28:13Z

According to the schema you've provided, this should work:

public class Api
{
    public Dictionary<string, object>[][] Aaa { get; set; }
    public long? Results { get; set; }
}

But if you want to fully deserialize the class, you might use something like this:

public class FinalClass
{
    public Api Api { get; set; }
}

public class Api
{
    public long Results { get; set; }

    public Aaa[][] Aaa { get; set; }
}

public class Aaa
{
    public long Bbb { get; set; }

    public long Ccc { get; set; }

    public string Ddd { get; set; }

    public string Eee { get; set; }

    public string Fff { get; set; }

    public string Ggg { get; set; }

    public string Hhh { get; set; }

    public Dictionary<string, long> Iii { get; set; }

    public Dictionary<string, long> Jjj { get; set; }

    public Dictionary<string, long> Kkk { get; set; }

    public long Lll { get; set; }

    public long Mmm { get; set; }

    public DateTimeOffset Nnn { get; set; }
}

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