Cannot deserialize the current JSON object - Null List

Cannot deserialize the current JSON object - Null List - c#

I am using Newtonsoft.JSON in C# and I have JSON like this:
http://woothemes.github.io/woocommerce/rest-api/#get-orders
Note:
coupon_lines []
When I serialize the JSON, I get this error:
List<Order> result = JObject.Parse(GetJson(url))["orders"].ToObject<List<Order>>();
Here is the coupon json:
"coupon_lines":{"id":65,"code":"alank10","amount":"33.08"}
Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'System.Collections.Generic.List`1[WooCommerce.Core.Models.CouponLine]' because the type requires a JSON array (e.g. [1,2,3]) to deserialize correctly.
How do I serialize coupon_lines to List
public class CouponLine
{
public int id { get; set; }
public string code { get; set; }
public decimal amount { get; set; }
}
Here is my class:
public class CouponLines
{
public List<CouponLine> lines { get; set; }
}
public class Order
{
public int id { get; set; }
public string order_number { get; set; }
public DateTime created_at { get; set; }
public DateTime updated_at { get; set; }
public DateTime completed_at { get; set; }
public string status { get; set; }
public string currency { get; set; }
public decimal total { get; set; }
public decimal subtotal { get; set; }
public int total_line_items_quantity { get; set; }
public decimal total_tax { get; set; }
public decimal total_shipping { get; set; }
public decimal cart_tax { get; set; }
public decimal shipping_tax { get; set; }
public decimal total_discount { get; set; }
public decimal cart_discount { get; set; }
public decimal order_discount { get; set; }
public string shipping_methods { get; set; }
public PaymentDetails payment_details { get; set; }
public BillingAddress billing_address { get; set; }
public ShippingAddress shipping_address { get; set; }
public string note { get; set; }
public string customer_ip { get; set; }
public string customer_user_agent { get; set; }
public string customer_id { get; set; }
public string view_order_url { get; set; }
public List<LineItem> line_items { get; set; }
public List<ShippingLine> shipping_lines { get; set; }
//public List<object> tax_lines { get; set; }
//public List<object> fee_lines { get; set; }
public CouponLines coupon_lines { get; set; }
public Customer customer { get; set; }
}

You should use some kind of "root" object that contains this list, for example:
var parsedResponse = JsonConvert.DeserializeObject<CouponLines>(jsonResponse);
//...
public class CouponLines
{
public List<CouponLine> order { get; set; }
}
The string from your example
"coupon_lines":{"id":65,"code":"alank10","amount":"33.08"}
is invalid JSON: to make it valid add { at the beginning and } at the end:
{"coupon_lines":{"id":65,"code":"alank10","amount":"33.08"}}
Also, you said, you want to deserialize list, and you do not have list in your example. To get list your JSON object should contain list of objects (even if there is one object) in square breckets []:
{
"coupon_lines":[
{
"id":65,
"code":"alank10",
"amount":"33.08"
}
//if you have several objects - put it here after comma:
//,
//{
// "id":100500,
// "code":"somecode",
// "amount":"33.08"
//}
]
}

I had a similar problem (and also similar reuqest with orders, lines, shippings etc...)
first thing is that:
in your json, you can receive your list as
"line_items" : null
without any problems
or also this one:
"line_items" : []
does the trick.
but if you want the perfect solution, so you can avoid to send the line_items parameter completely, the solution is pretty easy,
just decorate your property on the request with
[JsonProperty(Required = Required.AllowNull)]
public List<LineItem> line_items { get; set; }
it worked perfectly for me.

Related

Cannot deserialize the current JSON object into type because the type requires a JSON array

I am new to JSON string handling in C# and have the following error when trying to deserialize a JSON string:
Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'System.Collections.Generic.List`1[Formula1Info.Models.clsMRData]' because the type requires a JSON array (e.g. [1,2,3]) to deserialize correctly.
To fix this error either change the JSON to a JSON array (e.g. [1,2,3]) or change the deserialized type so that it is a normal .NET type (e.g. not a primitive type like integer, not a collection type like an array or List<T>) that can be deserialized from a JSON object. JsonObjectAttribute can also be added to the type to force it to deserialize from a JSON object.
Path 'MRData.xmlns', line 1, position 19.
The JSON string is:
{"MRData":{"xmlns":"http:\/\/ergast.com\/mrd\/1.5","series":"f1","url":"http://ergast.com/api/f1/1952.json","limit":"30","offset":"0","total":"8","RaceTable":{"season":"1952","Races":[{"season":"1952","round":"1","url":"http:\/\/en.wikipedia.org\/wiki\/1952_Swiss_Grand_Prix","raceName":"Swiss Grand Prix","Circuit":{"circuitId":"bremgarten","url":"http:\/\/en.wikipedia.org\/wiki\/Circuit_Bremgarten","circuitName":"Circuit Bremgarten","Location":{"lat":"46.9589","long":"7.40194","locality":"Bern","country":"Switzerland"}},"date":"1952-05-18"},{"season":"1952","round":"2","url":"http:\/\/en.wikipedia.org\/wiki\/1952_Indianapolis_500","raceName":"Indianapolis 500","Circuit":{"circuitId":"indianapolis","url":"http:\/\/en.wikipedia.org\/wiki\/Indianapolis_Motor_Speedway","circuitName":"Indianapolis Motor Speedway","Location":{"lat":"39.795","long":"-86.2347","locality":"Indianapolis","country":"USA"}},"date":"1952-05-30"},{"season":"1952","round":"3","url":"http:\/\/en.wikipedia.org\/wiki\/1952_Belgian_Grand_Prix","raceName":"Belgian Grand Prix","Circuit":{"circuitId":"spa","url":"http:\/\/en.wikipedia.org\/wiki\/Circuit_de_Spa-Francorchamps","circuitName":"Circuit de Spa-Francorchamps","Location":{"lat":"50.4372","long":"5.97139","locality":"Spa","country":"Belgium"}},"date":"1952-06-22"},{"season":"1952","round":"4","url":"http:\/\/en.wikipedia.org\/wiki\/1952_French_Grand_Prix","raceName":"French Grand Prix","Circuit":{"circuitId":"essarts","url":"http:\/\/en.wikipedia.org\/wiki\/Rouen-Les-Essarts","circuitName":"Rouen-Les-Essarts","Location":{"lat":"49.3306","long":"1.00458","locality":"Rouen","country":"France"}},"date":"1952-07-06"},{"season":"1952","round":"5","url":"http:\/\/en.wikipedia.org\/wiki\/1952_British_Grand_Prix","raceName":"British Grand Prix","Circuit":{"circuitId":"silverstone","url":"http:\/\/en.wikipedia.org\/wiki\/Silverstone_Circuit","circuitName":"Silverstone Circuit","Location":{"lat":"52.0786","long":"-1.01694","locality":"Silverstone","country":"UK"}},"date":"1952-07-19"},{"season":"1952","round":"6","url":"http:\/\/en.wikipedia.org\/wiki\/1952_German_Grand_Prix","raceName":"German Grand Prix","Circuit":{"circuitId":"nurburgring","url":"http:\/\/en.wikipedia.org\/wiki\/N%C3%BCrburgring","circuitName":"Nürburgring","Location":{"lat":"50.3356","long":"6.9475","locality":"Nürburg","country":"Germany"}},"date":"1952-08-03"},{"season":"1952","round":"7","url":"http:\/\/en.wikipedia.org\/wiki\/1952_Dutch_Grand_Prix","raceName":"Dutch Grand Prix","Circuit":{"circuitId":"zandvoort","url":"http:\/\/en.wikipedia.org\/wiki\/Circuit_Zandvoort","circuitName":"Circuit Park Zandvoort","Location":{"lat":"52.3888","long":"4.54092","locality":"Zandvoort","country":"Netherlands"}},"date":"1952-08-17"},{"season":"1952","round":"8","url":"http:\/\/en.wikipedia.org\/wiki\/1952_Italian_Grand_Prix","raceName":"Italian Grand Prix","Circuit":{"circuitId":"monza","url":"http:\/\/en.wikipedia.org\/wiki\/Autodromo_Nazionale_Monza","circuitName":"Autodromo Nazionale di Monza","Location":{"lat":"45.6156","long":"9.28111","locality":"Monza","country":"Italy"}},"date":"1952-09-07"}]}}}
and I deserialize this via this code:
var jF1Season = JsonConvert.DeserializeObject<Root>(strJSON);
The class structure is:
public class Root
{
public List<clsMRData> MRData { get; set; }
}
public class clsMRData
{
public string xmlns { get; set; }
public string series { get; set; }
public string url { get; set; }
public string limit { get; set; }
public string offset { get; set; }
public string total { get; set; }
public List<clsRaceTable> RaceTable { get; set; }
}
public class clsRaceTable
{
public string season { get; set; }
public List<clsRace> Races { get; set; }
}
public class clsRace
{
public string season { get; set; }
public string round { get; set; }
public string url { get; set; }
public string raceName { get; set; }
public List<clsCircuit> Circuit { get; set; }
public string date { get; set; }
public string time { get; set; }
}
public class clsCircuit
{
public string circuitId { get; set; }
public string url { get; set; }
public string circuitName { get; set; }
public List<clsLocation> Location { get; set; }
}
public class clsLocation
{
public string lat { get; set; }
[JsonProperty(PropertyName = "Root.MRData.RaceTable.Races.Circuit.Location.long")]
public string lon { get; set; }
public string locality { get; set; }
public string country { get; set; }
}
I guess the error is relating to how I have set this structure up, but cannot see why, so any help in solving this error would be appreciated.

you have several bugs in your code.Replace List<clsRaceTable> , List<clsCircuit> , List<clsLocation> with clsRaceTable,clsCircuit and clsLocation. Your classes should be
public class Root
{
public clsMRData MRData { get; set; }
}
public class clsMRData
{
public string xmlns { get; set; }
public string series { get; set; }
public string url { get; set; }
public string limit { get; set; }
public string offset { get; set; }
public string total { get; set; }
public clsRaceTable RaceTable { get; set; }
}
public class clsRaceTable
{
public string season { get; set; }
public List<clsRace> Races { get; set; }
}
public class clsRace
{
public string season { get; set; }
public string round { get; set; }
public string url { get; set; }
public string raceName { get; set; }
public clsCircuit Circuit { get; set; }
public string date { get; set; }
public string time { get; set; }
}
public class clsCircuit
{
public string circuitId { get; set; }
public string url { get; set; }
public string circuitName { get; set; }
public clsLocation Location { get; set; }
}
public class clsLocation
{
public string lat { get; set; }
[JsonProperty(PropertyName = "long")]
public string lon { get; set; }
public string locality { get; set; }
public string country { get; set; }
}

Json Deserialization | Cannot Deserialize Current Json

I have below Json -
{"property_id":"53863730","name":"Hayat Elhamra","address":{"line_1":"Jeddah","city":"Jeddah","state_province_name":"Jeddah","postal_code":"23212","country_code":"SA","obfuscation_required":false,"localized":{"links":{"ar-SA":{"method":"GET","href":"https://api.ean.com/2.4/properties/content?language=ar-SA&property_id=53863730&include=address"}}}},"location":{"coordinates":{"latitude":21.520902,"longitude":39.158265}},"phone":"20-01145772035","category":{"id":"16","name":"Apartment"},"rank":99999999,"business_model":{"expedia_collect":true,"property_collect":true},"dates":{"added":"2020-06-10T23:03:21.345Z","updated":"2020-06-10T23:03:23.701Z"},"chain":{"id":"0","name":"Independent"},"brand":{"id":"0","name":"Independent"}}
{"property_id":"53183065","name":"Carefully Furnished Bungalow With 2 Bathrooms, 7km From Pula","address":{"line_1":"1 x M 90,3","line_2":"PRIVATE_VACATION_HOME 3","city":"Fazana","state_province_name":"Istria (county)","postal_code":"52212","country_code":"HR","obfuscation_required":true,"localized":{"links":{"hr-HR":{"method":"GET","href":"https://api.ean.com/2.4/properties/content?language=hr-HR&property_id=53183065&include=address"}}}},"ratings":{"property":{"rating":"3.0","type":"Star"}},"location":{"coordinates":{"latitude":44.93,"longitude":13.8}},"phone":"410442743080","category":{"id":"17","name":"Private vacation home"},"rank":99999999,"business_model":{"expedia_collect":true,"property_collect":false},"dates":{"added":"2020-05-13T21:06:42.861Z","updated":"2020-05-18T21:57:39.242Z"},"statistics":{"1073743378":{"id":"1073743378","name":"Number of bedrooms - 2","value":"2"},"1073743380":{"id":"1073743380","name":"Max occupancy - 4","value":"4"},"1073743379":{"id":"1073743379","name":"Number of bathrooms - 2","value":"2"}},"chain":{"id":"7278","name":"Belvilla"},"brand":{"id":"7353","name":"Belvilla"}}
{"property_id":"53182898","name":"Snug Cottage in Pašman With Roofed Terrace","address":{"line_1":"Pasman","city":"Pasman","state_province_name":"Zadar","postal_code":"23260","country_code":"HR","obfuscation_required":true,"localized":{"links":{"hr-HR":{"method":"GET","href":"https://api.ean.com/2.4/properties/content?language=hr-HR&property_id=53182898&include=address"}}}},"ratings":{"property":{"rating":"1.0","type":"Star"}},"location":{"coordinates":{"latitude":43.891571,"longitude":15.423619}},"phone":"410442743080","category":{"id":"11","name":"Cottage"},"rank":99999999,"business_model":{"expedia_collect":true,"property_collect":false},"dates":{"added":"2020-05-13T21:13:49.155Z","updated":"2020-05-27T21:02:31.808Z"},"statistics":{"1073743378":{"id":"1073743378","name":"Number of bedrooms - 2","value":"2"},"1073743380":{"id":"1073743380","name":"Max occupancy - 5","value":"5"},"1073743379":{"id":"1073743379","name":"Number of bathrooms - 1","value":"1"}},"chain":{"id":"7278","name":"Belvilla"},"brand":{"id":"7353","name":"Belvilla"}}
For this I have created below class structure -
public class Property
{
public string property_id { get; set; }
public string name { get; set; }
public Address address { get; set; }
public Location location { get; set; }
public string phone { get; set; }
public Category category { get; set; }
public int rank { get; set; }
public Business_Model business_model { get; set; }
public Dates dates { get; set; }
public Chain chain { get; set; }
public Brand brand { get; set; }
}
public class Address
{
public string line_1 { get; set; }
public string city { get; set; }
public string state_province_name { get; set; }
public string postal_code { get; set; }
public string country_code { get; set; }
public bool obfuscation_required { get; set; }
public Localized localized { get; set; }
}
public class Localized
{
public Links links { get; set; }
}
public class Links
{
public ArSA arSA { get; set; }
}
public class ArSA
{
public string method { get; set; }
public string href { get; set; }
}
public class Location
{
public Coordinates coordinates { get; set; }
}
public class Coordinates
{
public float latitude { get; set; }
public float longitude { get; set; }
}
public class Category
{
public string id { get; set; }
public string name { get; set; }
}
public class Business_Model
{
public bool expedia_collect { get; set; }
public bool property_collect { get; set; }
}
public class Dates
{
public DateTime added { get; set; }
public DateTime updated { get; set; }
}
public class Chain
{
public string id { get; set; }
public string name { get; set; }
}
public class Brand
{
public string id { get; set; }
public string name { get; set; }
}
I have below code where I am getting error -
using (StreamReader streamReader = new StreamReader("d://propertycontent.expediacollect.en-US.json"))
{
using (var json = new JsonTextReader(streamReader))
{
JsonSerializer serializer = new JsonSerializer();
var properties= (List<Property>)serializer.Deserialize(json, typeof(List<Property>));
}
}
Error -
Newtonsoft.Json.JsonSerializationException: 'Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'System.Collections.Generic.List`1[Property]' because the type requires a JSON array (e.g. [1,2,3]) to deserialize correctly.
To fix this error either change the JSON to a JSON array (e.g. [1,2,3]) or change the deserialized type so that it is a normal .NET type (e.g. not a primitive type like integer, not a collection type like an array or List<T>) that can be deserialized from a JSON object. JsonObjectAttribute can also be added to the type to force it to deserialize from a JSON object.
Path 'property_id', line 1, position 15.'

It is not deserializing because it is not valid json. To make it valid, and to make it a List<Property> add [ to the beginning of the json and ] to the end of the json. Just enclose the json in [ ... ] to make it valid and it will deserialize assuming the rest of it is valid and is not missing any commas or brackets.

try this, you will have to install NewtonsoftJson. It was tested using Visual Studio and Postman and works properly.
var jsonOrig= ...your json
var json = JsonConvert.SerializeObject(jsonOrig);
var jsonObj = JsonConvert.DeserializeObject<DataRoot>(json);
classes
public class DataRoot
{
public string property_id { get; set; }
public string name { get; set; }
public Address address { get; set; }
public Location location { get; set; }
public string phone { get; set; }
public Category category { get; set; }
public int rank { get; set; }
public BusinessModel business_model { get; set; }
public Dates dates { get; set; }
public Chain chain { get; set; }
public Brand brand { get; set; }
}
public class ArSA
{
public string method { get; set; }
public string href { get; set; }
}
public class Links
{
[JsonProperty("ar-SA")]
public ArSA ArSA { get; set; }
}
public class Localized
{
public Links links { get; set; }
}
public class Address
{
public string line_1 { get; set; }
public string city { get; set; }
public string state_province_name { get; set; }
public string postal_code { get; set; }
public string country_code { get; set; }
public bool obfuscation_required { get; set; }
public Localized localized { get; set; }
}
public class Coordinates
{
public double latitude { get; set; }
public double longitude { get; set; }
}
public class Location
{
public Coordinates coordinates { get; set; }
}
public class Category
{
public string id { get; set; }
public string name { get; set; }
}
public class BusinessModel
{
public bool expedia_collect { get; set; }
public bool property_collect { get; set; }
}
public class Dates
{
public DateTime added { get; set; }
public DateTime updated { get; set; }
}
public class Chain
{
public string id { get; set; }
public string name { get; set; }
}
public class Brand
{
public string id { get; set; }
public string name { get; set; }
}
`````

C# MVC can't Deserialize a tuple

I have a Json model that looks like this
private class SearchMetadataJson
{
public string entertain { get; set; }
public string master { get; set; }
public string memail { get; set; }
public string key { get; set; }
public (int, string)[] mood { get; set; }
public int? soundnumber { get; set; }
public int? ftv { get; set; }
public int? com { get; set; }
public (int, string)[] sims { get; set; }
public (int, string)[] keysecond { get; set; }
public string popt { get; set; }
public (string, string) syncs { get; set; }
}
And I try to de-serialize the object like this
var CommentObj = JsonSerializer.Deserialize<SearchMetadataJson>(CommentAsString);
The data that I'm trying to de-serialize (aka "CommentAsString") looks like this
"{\"entertain\":\"PEG\",\"master\":\"Phos Ent Group\",\"memail\":\"example#example.com\",\"key\":\"Db\",\"mood\":{\"1\":\"TypeA\",\"4\":\"TypeB\",\"5\":\"TypeC\"},\"soundnumber\":\"5\",\"ftv\":\"4\",\"com\":\"3\",\"sims\":{\"1\":\"Band1\",\"2\":\"Band2\"},\"keysecond\":{\"1\":\"KeyWord1\",\"2\":\"KeyWord2\",\"3\":\"KeyWord3\"},\"syncs\":{\"Other pubber\":\"example2#example.com\"}}"
But I keep getting this error
Does anyone see what the problem is?
Update
The integers in CommentAsString are variables and will be different every time the function is called so I can't make a Json Object that has a key value of a particular integer.

Let's look at the actual formatted data structure
{
"entertain":"PEG",
"master":"Phos Ent Group",
"memail":"example#example.com",
"key":"Db",
"mood":{
"1":"TypeA",
"4":"TypeB",
"5":"TypeC"
},
"soundnumber":"5",
"ftv":"4",
"com":"3",
"sims":{
"1":"Band1",
"2":"Band2"
},
"keysecond":{
"1":"KeyWord1",
"2":"KeyWord2",
"3":"KeyWord3"
},
"syncs":{
"Other pubber":"example2#example.com"
}
}
Converting these to an array of tuple would be unusual. What you seemingly have are dictionary's
Example
private class SearchMetadataJson
{
public string entertain { get; set; }
public string master { get; set; }
public string memail { get; set; }
public string key { get; set; }
public Dictionary<int,string> mood { get; set; }
public int? soundnumber { get; set; }
public int? ftv { get; set; }
public int? com { get; set; }
public Dictionary<int,string> sims { get; set; }
public Dictionary<int,string> keysecond { get; set; }
public string popt { get; set; }
// public (string, string) syncs { get; set; }
}
It's debatable whether the last property is an object or another dictionary as well.
"syncs":{
"Other pubber":"example2#example.com"
}
However, I'll leave that up to you.

your have error in the model, use this site for convert your json in c#
https://json2csharp.com/
// Root myDeserializedClass = JsonConvert.DeserializeObject<Root>(myJsonResponse);
public class Mood {
public string _1 { get; set; }
public string _4 { get; set; }
public string _5 { get; set; }
}
public class Sims {
public string _1 { get; set; }
public string _2 { get; set; }
}
public class Keysecond {
public string _1 { get; set; }
public string _2 { get; set; }
public string _3 { get; set; }
}
public class Syncs {
public string Otherpubber { get; set; }
}
public class Root {
public string entertain { get; set; }
public string master { get; set; }
public string memail { get; set; }
public string key { get; set; }
public Mood mood { get; set; }
public string soundnumber { get; set; }
public string ftv { get; set; }
public string com { get; set; }
public Sims sims { get; set; }
public Keysecond keysecond { get; set; }
public Syncs syncs { get; set; }
}
try again with using this
first read your string
this is the response using post, get or delete
var response = await client.PostAsync("your-url", datasBody);
var contentData = await response.Content.ReadAsStringAsync();
var options = new JsonSerializerOptions() { PropertyNameCaseInsensitive = true };
var CommentObj = JsonSerializer.Deserialize<Root>(contentData, options);
if your model is bad or not match using
[JsonProperty("entertain")]
public string entertain { get; set; }

You will either need to use a custom converter or convert your tuples into separate classes with fields to explain what each field is used for.

I am getting error while converting json to object

i am trying to convert JSON to object following is my json
{"entity":"event","account_id":"acc_8yTsyb2WJOlcka","event":"payment.captured","contains":["payment"],"payload":{"payment":{"entity":{"id":"pay_AKR45WLH0g1ANu","entity":"payment","amount":100,"currency":"INR","status":"captured","order_id":"order_AKR41LsWIgOAB1","invoice_id":null,"international":false,"method":"netbanking","amount_refunded":0,"refund_status":null,"captured":true,"description":"Admission Fees","card_id":null,"bank":"SBIN","wallet":null,"vpa":null,"email":"xxxxx.xxxx#xxx.xxx","contact":"xxxxx","notes":{"address":"NA","merchant_order_id":"2516"},"fee":2,"tax":0,"error_code":null,"error_description":null,"created_at":1528367383}}},"created_at":1528367384}
and the code I am trying to convert to object is
jsonString = JsonConvert.SerializeObject(documentContents);
RazorPayPayload desJsonString = JsonConvert.DeserializeObject<RazorPayPayload>(jsonString);
and the classes where I want to deserialized
public class RazorPayPayload
{
public string entity { get; set; }
public string account_id { get; set; }
public string events { get; set; }
public List<string> contains { get; set; }
public payments payload { get; set; }
public string created_at { get; set; }
}
public class payments
{
public Entities payment { get; set; }
}
public class notes
{
public string address { get; set; }
public string merchant_order_id { get; set; }
public string source { get; set; }
}
public class Entities
{
public Entity entity { get; set; }
}
public class Entity
{
public string id { get; set; }
public string entity { get; set; }
public string amount { get; set; }
public string currency { get; set; }
public string order_id { get; set; }
public string invoice_id { get; set; }
public string international { get; set; }
public string method { get; set; }
public string amount_refunded { get; set; }
public string refund_status { get; set; }
public string captured { get; set; }
public string description { get; set; }
public string card_id { get; set; }
public string bank { get; set; }
public string wallet { get; set; }
public string vpa { get; set; }
public string email { get; set; }
public string contact { get; set; }
public notes notes { get; set; }
public string fee { get; set; }
public string tax { get; set; }
public string error_code { get; set; }
public string error_description { get; set; }
}
I am getting the error "Error converting value to type 'FeePayr_Razor_Webhook.RazorPayPayload'"

Have you tried changing:
{"entity":"event","account_id":"acc_8yTsyb2WJOlcka","event":
to
{"entity":"event","account_id":"acc_8yTsyb2WJOlcka","events":
That would better match your class definition. Or rename your class field to event.

There is a useful visual studio function for converting a json object to c# classes.
Copy the JSON into the clipboard. (helps if the JSON object properties holds data, to determine the data type)
Go to visual studio and place cursor where you'd like to paste in the c# classes.
click edit => paste special => paste json as classes

How to parse this JSON

This is my Json
{
"count":2,
"threads":[
{
"thread_id":346568,
"node_id":75,
"title":"Gi\u1ea3i ph\u00e1p th\u1ed5i bay m\u00f9i h\u00f4i n\u00e1ch t\u1ef1 tin h\u01a1n trong ng\u00e0y h\u00e8",
"reply_count":0,
"view_count":2,
"user_id":339597,
"username":"giangdaigia20",
"post_date":1434435728,
"sticky":0,
"discussion_state":"visible",
"discussion_open":1,
"discussion_type":"",
"first_post_id":2468576,
"first_post_likes":0,
"last_post_date":1434435728,
"last_post_id":2468576,
"last_post_user_id":339597,
"last_post_username":"giangdaigia20",
"prefix_id":2,
"block_adsense":0,
"thumbnail_url":"",
"thumbnail_cache_waindigo":"a:8:{s:13:\"thumbnail_url\";s:69:\"http:\/\/trihoinach.org\/wp-content\/uploads\/2015\/04\/Tri-hoi-nach5555.jpg\";s:12:\"thumbnailUrl\";s:69:\"http:\/\/trihoinach.org\/wp-content\/uploads\/2015\/04\/Tri-hoi-nach5555.jpg\";s:5:\"width\";s:2:\"48\";s:6:\"height\";s:2:\"48\";s:9:\"max-width\";s:2:\"48\";s:10:\"max-height\";s:2:\"48\";s:17:\"vertical-position\";i:0;s:19:\"horizontal-position\";i:0;}",
"custom_fields":[
],
"socia l_forum_id":0,
"live_waindigo":0,
"current_event_id_waindigo":0,
"google_event_id_waindigo":"",
"social_forum_title":null,
"social_forum_user_id":null,
"social_forum_style_id":null,
"absolute_url":"http:\/\/dev.handheld.vn\/threads\/346568\/"
},
{
"thread_id":346567,
"node_id":85,
"title":"Nh\u1edd c\u00e1c b\u00e1c t\u01b0 v\u1ea5n d\u00f9m em 2 c\u00e1i \u0111\u1ed3ng h\u1ed3 Citizen n\u00e0y",
"reply_count":1,
"view_count":4,
"user_id":156695,
"username":"gamap",
"post_date":1434430984,
"sticky":0,
"discussion_state":"visible",
"discussion_open":1,
"discussion_type":"",
"first_post_id":2468575,
"first_post_likes":0,
"last_post_date":1434443484,
"last_post_id":2468577,
"last_post_user_id":156695,
"last_post_username":"gamap",
"prefix_id":95,
"block_adsense":0,
"thumbnail_url":"",
"thumbnail_cache_waindigo":"a:8:{s:13:\"thumbnail_url\";s:86:\"http:\/\/i16.photobucket.com\/albums\/b3\/vozmember\/shopdongho\/citizen\/real\/BU0011-55Aa.jpg\";s:12:\"thumbnailUrl\";s:86:\"http:\/\/i16.photobucket.com\/albums\/b3\/vozmember\/shopdongho\/ci tizen\/real\/BU0011-55Aa.jpg\";s:5:\"width\";s:2:\"48\";s:6:\"height\";s:2:\"48\";s:9:\"max-width\";s:2:\"48\";s:10:\"max-height\";s:2:\"48\";s:17:\"vertical-position\";i:0;s:19:\"horizontal-position\";i:0;}",
"custom_fields":[
],
"social_forum_id":0,
"live_waindigo":0,
"current_event_id_waindigo":0,
"google_event_id_waindigo":"",
"social_forum_title":null,
"social_forum_user_id":null,
"social_forum_style_id":null,
"absolute_url":"http:\/\/dev.handheld.vn\/threads\/34656 7\/"
}
]
}
This is my class define
class Thread_Result
{
public string count { get; set; }
[JsonProperty("threads")]
public Threads threads { get; set; }
}
class Threads
{
[JsonProperty("thread_id")]
public string thread_id { get; set; }
[JsonProperty("node_id")]
public string node_id { get; set; }
[JsonProperty("title")]
public string title { get; set; }
[JsonProperty("reply_count")]
public string reply_count { get; set; }
[JsonProperty("view_count")]
public string view_count { get; set; }
[JsonProperty("user_id")]
public string user_id { get; set; }
[JsonProperty("post_date")]
public string post_date { get; set; }
[JsonProperty("sticky")]
public string sticky { get; set; }
[JsonProperty("discussion_state")]
public string discussion_state { get; set; }
[JsonProperty("discussion_open")]
public string discussion_open { get; set; }
[JsonProperty("discussion_type")]
public string discussion_type { get; set; }
[JsonProperty("first_post_id")]
public string first_post_id { get; set; }
[JsonProperty("first_post_likes")]
public string first_post_likes { get; set; }
[JsonProperty("last_post_date")]
public string last_post_date { get; set; }
[JsonProperty("last_post_id")]
public string last_post_id { get; set; }
[JsonProperty("last_post_user_id")]
public string last_post_user_id { get; set; }
[JsonProperty("last_post_username")]
public string last_post_username { get; set; }
[JsonProperty("prefix_id")]
public string prefix_id { get; set; }
[JsonProperty("block_adsense")]
public string block_adsense { get; set; }
[JsonProperty("thumbnail_url")]
public string thumbnail_url { get; set; }
[JsonProperty("thumbnail_cache_waindigo")]
public string thumbnail_cache_waindigo { get; set; }
[JsonProperty("custom_fields")]
public string custom_fields { get; set; }
[JsonProperty("social_forum_id")]
public string social_forum_id { get; set; }
[JsonProperty("live_waindigo")]
public string live_waindigo { get; set; }
[JsonProperty("current_event_id_waindigo")]
public string current_event_id_waindigo { get; set; }
[JsonProperty("google_event_id_waindigo")]
public string google_event_id_waindigo { get; set; }
[JsonProperty("social_forum_title")]
public string social_forum_title { get; set; }
[JsonProperty("social_forum_user_id")]
public string social_forum_user_id { get; set; }
[JsonProperty("social_forum_style_id")]
public string social_forum_style_id { get; set; }
[JsonProperty("absolute_url")]
public string absolute_url { get; set; }
}
But i got error
Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'System.Collections.Generic.List`1[AppHandHeld.Class.Threads]' because the type requires a JSON array (e.g. [1,2,3]) to deserialize correctly.
To fix this error either change the JSON to a JSON array (e.g. [1,2,3]) or change the deserialized type so that it is a normal .NET type (e.g. not a primitive type like integer, not a collection type like an array or List) that can be deserialized from a JSON object. JsonObjectAttribute can also be added to the type to force it to deserialize from a JSON object.
Path 'count', line 1, position 9.

This is a problem for a start:
[JsonProperty("threads")]
public Threads threads { get; set; }
Which to the parser looks like:
{
"threads": { <single thread object> }
}
It needs to be:
[JsonProperty("threads")]
public Threads[] threads { get; set; }
Which looks like:
{
"threads": [<array of thread objects>]
}
Which is how it is in the JSON sample you provided. Then you also have:
[JsonProperty("custom_fields")]
public string custom_fields { get; set; }
Which would mean in the JSON:
{
"custom_fields": "<some string>"
}
However in the JSON it is in fact:
{
"custom_fields": [<an array>]
}
Which should be something like:
[JsonProperty("custom_fields")]
public string[] custom_fields { get; set; }
And again you have in Thread_Result:
[JsonProperty("count")]
public string Count { get; set; }
This should be:
[JsonProperty("count")]
public int Count { get; set; }
In fact you've done that for pretty much all of your numeric values, try and use the correct value types and let the JSON parser do the parsing for you.
Start fixing these basic issues and see how you get on.

Develop Reference

C# (C-Sharp) is a programming language developed by Microsoft that runs on the .NET Framework.

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