Questions tagged [jsonconvert]

This tag can be used when you want to convert any text, objects or other formats into a JSON object,or if you want to transform a JSON object into something else.

207 questions
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how to convert json string to json object in dart flutter?

I have string like this, {id:1, name: lorem ipsum, address: dolor set amet} And I need to convert that string to json, how I can do it in dart flutter? thank you so much for your help.
Ashtav
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Dictionary serialization for DynamoDB ExclusiveStartKey not working

For a paginated response from Dynamo, I am attempting to preserve the ExclusiveStartKey value. In the code sample, if I use the response.LastEvaluatedKey value directly, subsequent requests work fine. However, if I serialize the…
jkh
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JsonConvert.SerializeObject - Custom ContracteResolver not calling CreateProperty for multiple calls

I have a custom ContracteResolver and I am getting unpredictable results. Using the debugger, I see that when I serialize the CreateProperty method of the resolver is called for every property. However, if I make 2 calls back to back the…
Don Chambers
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1 answer

Serializing a dictionary with IConvertible values using Json.NET with the TypeNameHandling-flag

I have the following dictionary that I'd very much like to serialize using Json.Net. The dictionary contains items of the IConvertible interface allowing me to add whatever primitive type I need to the dictionary. var dic = new…
user1531921
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Newtonsoft.Json works in Unity Editor but not on mobile devices

I am programming a game of questions and answers by categories in Unity. The categories are obtained through a PHP script that returns a JSON text,* when I use this solution in the UnityEditor it works correctly, but when I install the .apk on my…
3
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1 answer

Get the JSON Schema's from a large OpenAPI Document OR using NewtonSoft and resolve refs

I'm currently looking extracting all of the JSON Schemas from a large OpenAPI spec. I've been using the following NuGet packages: Microsoft.OpenApi v1.3.1 Microsoft.OpenApi.Readers v1.3.1 I was hoping to use these to parse a large Open API spec and…
JoeTomks
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1 answer

freezed how to assign my own JsonConverter on top level model?

I have freezed model (simplified): part 'initial_data_model.freezed.dart'; part 'initial_data_model.g.dart'; @freezed class InitialDataModel with _$InitialDataModel { const factory InitialDataModel() = Data; const factory…
Nagual
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2 answers

JsonConverter not working in integration tests

I've enabled my API to serialize/deserialize enum using string values. To do that I've added JsonStringEnumConverter to the list of supported JsonConverters in my API's Startup class: .AddJsonOptions(opts => { var enumConverter = new…
RiskX
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3
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1 answer

Set Default value for missing Complex properties with JSON.net (JsonConvert.SerializeObject or JsonConvert.DeSerializeObject)

I have a requirement where I need to set default value to the below complex property Instances using JsonProperty and DefaultValue. I know we can achieve this for primitive properties as mentioned in the below link, but need to know how we can do it…
3
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2 answers

"Unexpected character encountered while parsing value: [." exception when deserializing into a List field

I have an object: class Node { public Node(string text) { Text = new List { text }; } public List Text { get; set; } } When I attempt to round-trip an instance of this object to JSON using Json.NET like so: var root =…
alexania
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2 answers

Deserialize json to object in c# does not map values

I'm trying to deserialize a json string by using the Jsonconverter. I have all the values inside the json, I also want to mention that, that specific json is being generated from the swagger, so when i send a payload to the API it maps it into the…
Csibi Norbert
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3
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2 answers

Converting JSON to CSV with missing fieldnames

I am having a hard time converting JSON to csv because the names on some of the records don't show up. For example: [{device: 1, name: 'John', age: 25, city: 'Denver' }, {device: 2, name: 'Jake', age: 24, city: 'New York' }, {device:…
Jacob
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JSONConvert.SerializeObject Maximum Length

Recently discovered that existing serialization code fails when the object to convert is too large. I know how to increase the maximum length in .NET's JavascriptSerializer. But how do I do the same thing in JsonConvert.SerializeObject? References…
Shawn Melton
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1 answer

How can I generalize JsonConverter for all classes?

I have an entity like below: @Entity @Table(name = "orders") @Data @Builder @NoArgsConstructor @AllArgsConstructor public class Order { @Convert(converter = UserInfoJsonConverter.class) private UserInfo userInfo; @Convert(converter =…
ElbrusGarayev
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2 answers

System.Text.Json: Convert JSON with a decimal value "NA"

I use .NET6 and Blazor. I read same data from an API. To convert the JSON I use System.Text.Json. In the JSON I expect a list of float/decimal but in same cases instead of a list of numbers there is the string "NA". In this case, the conversion…
Enrico
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