Cannot deserialize the current JSON array (e.g. [1,2,3]) into type

I have a class like this:

public class MyStok
    public int STId { get; set; }
    public int SM { get; set; }
    public string CA { get; set; }
    public string Br { get; set; }
    public string BNo { get; set; }
    public decimal Vat { get; set; }
    public decimal Price { get; set; }

I deserialize like this:

string sc = e.ExtraParams["sc"].ToString();
MyStok myobj = JSON.Deserialize<MyStok>(sc);

My output seems to be like this (string sc) on fiddler:

        "STId": 2,
        "CA": "hbh",
        "Br": "jhnj",
        "SM": 20,
        "Vat": 10,
        "Price": 566,
        "BNo": "1545545"

But I get the error:

Cannot deserialize the current JSON array (e.g. [1,2,3]) into type

What is wrong in that code?


Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you found the post helpful (or not), leave a comment & I’ll get back to you as soon as possible.

Method 1

It looks like the string contains an array with a single MyStok object in it. If you remove square brackets from both ends of the input, you should be able to deserialize the data as a single object:

MyStok myobj = JSON.Deserialize<MyStok>(sc.Substring(1, sc.Length-2));

You could also deserialize the array into a list of MyStok objects, and take the object at index zero.
var myobjList = JSON.Deserialize<List<MyStok>>(sc);
var myObj = myobjList[0];

Method 2

For array type Please try this one.

 List<MyStok> myDeserializedObjList = (List<MyStok>)Newtonsoft.Json.JsonConvert.DeserializeObject(sc, typeof(List<MyStok>));

Please See here for details to deserialise Json

Method 3

I ran into this exact same error message. I tried Aditi’s example, and then I realized what the real issue was. (Because I had another apiEndpoint making a similar call that worked fine.) In this case The object in my list had not had an interface extracted from it yet. So because I apparently missed a step, when it went to do the bind to the


It failed to deserialize.

If you see this issue, check to see if that could be the issue.

Method 4

Another alternative if you have a root level array with no name and you actually want to use it for something, like adding methods

public class MyStoks : List<MyStok> 


Then you can deserialize like this
MyStoks myObj = JsonConvert.DeserializeObject<MyStoks>(jsonString);

Method 5

HttpClient webClient = new HttpClient();
Uri uri = new Uri("your url");
HttpResponseMessage response = await webClient.GetAsync(uri)
var jsonString = await response.Content.ReadAsStringAsync();
var objData = JsonConvert.DeserializeObject<List<CategoryModel>>(jsonString);

All methods was sourced from or, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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