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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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MaxJsonLength error in NewtonSoft JsonConvert.SerializeObject

I have a ASP.NET project, with some AJAX calling a webmethod, that would return JSON. If the DataSet has about 100 lines, there is no problem. But with 1000 lines, it launch the error: Error during serialization or deserialization using JSON…
Lucas Anschau
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C# Parsing JSON using JObject.Parse to ignore missing fields

Is it possible to have JObject.Parse ignore missing fields? From my example below you can see that I have declared a class Address and using JsonProperty to specifying alternate field names. I have provided 3 examples, there are 3 JSON strings which…
iggyweb
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Deserialize Json Object having double quoted string

I want to deserialize a JSON string that has double quoted string as mentioned below. Json: string jsonString = "{\"Name\": 2, \"Description\": \"The \"test\" description\"}"; Target Class: public class TestClass { public string Name { get;…
Anadi
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Why is JsonConvert throwing exception when deserializing to a dictionary

I have an issue serializing a JSON string to a key/value dictionary. The code is like: var parameters = "{\"id\":123}"; JsonConvert.DeserializeObject>(parameters); This example seems work perfectly, giving me…
Bas Slagter
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get enumMember value property from an enum

I have an enum like this : [JsonConverter(typeof(StringEnumConverter))] public enum Process { [EnumMember(Value = "N/A")] None, [EnumMember(Value = "Something")] Something } When I try to read…
schwifty
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How to fetch Json string from Database and assign it to grid view row textboxes

I have dynamic grid row textboxes, i add values and save, it gets serialized into json format and gets saved in database, now when i have to populate the grid(when i refresh)the saved data needs to be displayed on the textboxes. My code: foreach…
Freshernoob
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Getting a java runtime exception while converting a an entity using gson

I am trying to convert an object to another using gson. while converting the gson getting a runtime exception saying: "unable to invoke no-args constructor for interface java.sql.clob. Registering an instancecreator with gson for this type may fix…
kavya
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How to remove "Double braces {{}}" in a property of dynamic type during deserialization (ASp.Net Core MVC)

When deserializing a string, the curly braces are duplicating and this is disturbing the reading of some fields. I've tried everything, but I can't serialize correctly, without duplicate curly braces. I already tried to do it like this: dynamic…
masterj
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How to use JsonConvert.DeserializeObject method without StringEscapeHandling

I use this method to process data from api, I want it to not escape special characters but keep special characters like '\n'. I found it escapes special characters like \n even in default mode. Is there a way to turn off the default…
frank
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How to decode json data with Reified, Generics, Interface and Kotlin?

How to decode json data with Reified, Generics, Interface and Kotlin? I created a project where i put the code and the instructions to run: https://github.com/paulocoutinhox/kotlin-gson-sample But basically the code is: import…
Paulo Coutinho
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Make custom file format a json file

I'm trying to convert a custom file to JSON for easy editing. Here is the custom code example: { "#letter_a" "A" "#letter_b" "B" "#letter_c" "C" "#letter_d" "D" "#letter_e" "E" "#letter_f" "F" "#letter_g" "G" …
CidQu
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Trying to get data from firebase but it shows Json error"Could not cast or convert" c#

I am trying to get data from firebase but it shows an error "Could not cast or convert from System.String to System.Collections.Generic.Dictionary`2" This is my code: IFirebaseConfig config = new FirebaseConfig() { AuthSecret = "Auth", …
Jeff Li
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Getting Collection text while serializing List inside a Dictionary using JsonConvert in C#

So I have the following data structure defined in my program: Dictionary, int>> myTopDict = new Dictionary, int>>(); Dictionary, int> myInnerDict = new…
Rahul Sharma
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How to deserialize an abstract class?

I'm doing a little application where to upload a json file and deserialize its content into objects. My problem is that I have an abstract class. I made a JsonConverter but I don't know how should I call it to make a correct deserialization. My…
Weenhallo
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DateTime property doesn't Deserialize. Other DateTime properties in the same model work fine

I have 3 DateTime properties in my ViewModel, which is used to generate a report using jqxgrid. The report is correctly generated with all the columns showing. The report can be exported to excel using jqxgrid's 'exportdata' method. The Json that…
RonCitrus
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