system.text.json Questions

JsonSerializer.Deserialize always returns Null

February 20, 2023
Mlamuli Zondo
2 Answers

Trying to deserialize the following json string: string json = "{"d":{"__metadata":{"id":"http://my.dev.int:8000/sap/opu/odata/sap/ZFIORI_SERIAL_NUMBERS_SRV/MATERIALSet('250')","uri":"http://my.dev.int:8000/sap/opu/odata/sap/ZFIORI_SERIAL_NUMBERS_SRV/MATERIALSet('250')","type":"ZFIORI_SERIAL_NUMBERS_SRV.MATERIAL"},"MATNR":"250","MAKTX":"X:K10/MF250"}}"; into Class Object namespace Scanner.Model { public class Material { public string MATNR { get; set; } public string MAKTX { get; set; } } } I have tried…

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Using a Custom Enum Json Converter

February 20, 2023
marcusredbie
2 Answers

I am looking to create a custom JSON converter on my C# application. When I instantiate a new class I am unable to leave it generic. Class: using System.Text.Json; using System.Text.Json.Serialization; public class Converter<T> : JsonConverter<T> where T : Enum…

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How to serialize a class with a generic parameter as an interface with System.Text.Json?

February 17, 2023
GreeNSparT
2 Answers

I have the following classes to represent a report that can have different type of chart (pie, area...) with each chart type having specific property : public class ReportDTO<TChart> where TChart : IChart { public TChart ChartDTO { get; set;…

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How to set JsonSerializerOption per request

February 8, 2023
Scuba Steve
2 Answers

I have a .NET 7 web api with a route that returns Users. public class User { public Guid? Id { get; set; } public String? Name { get; set; } public Int32? Age { get; set; } public String?…

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Json – Dictionary<string,long> is not being serialized

January 28, 2023
julian bechtold
3 Answers

I am trying to serialize a simple class: public class Offer_RPC { /// <summary> /// this dictionary contains your requested additions ans substractions, in mojos.<br/> /// if you wan to offer an nft for example, use the launcher id such…

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Convert nested object Id to object when deserializing JSON

January 11, 2023
ml123
3 Answers

*** Edit: Clarified there are two, separate JSON files *** I have two classes: public class Phone { public int PhoneId { get; set; } public string Name { get; set; } public Manufacturer PhoneManufacturer { get; set; } }…

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How to read values from JsonNode in System.Text.Json

December 24, 2022
Mohammad Miras
2 Answers

I want to serialize a refresh token and send it to the client. Then on return, I want to deserialize and read it. Here's my code. using System.Text.Json; using System.Dynamic; using System; using System.Text.Encodings.Web; using System.Text.Unicode; using System.Text.Json.Nodes; dynamic token…

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C# JsonSerializer.Deserialize fails if property has null value despite JsonIgnoreCondition.WhenWritingNull

December 19, 2022
surfmuggle
2 Answers

From an external webservice i receive either // jsonWithConfig // property config is an object {} {"config":{"c1":"All","c2":"is peachy"},"message":"We found a config object"} // jsonNoConfig // property config is string with the value null {"config":"null","message":"Config is null"} I want to deserialize…

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Deserializing array of JSONElement back to a concrete list not working when using System.Text.Json

December 11, 2022
Ivan-Mark Debono
2 Answers

I have a problem when deserializing an object. The object has a property (data) that is a list of JSONElement. I'm doing: using var doc = JsonDocument.Parse(JsonSerializer.Serialize(result)); var e = doc.RootElement.GetProperty("data"); var data = JsonSerializer.Deserialize<List<MyItem>>(e); The serialized result variable has…

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How to store Multiple derived class in same list? – Asp.net

October 20, 2022
I am not Fat
3 Answers

I have these classes public class SubMenuItem : SubMenuVariant { public string SubMenuTitle { get; set; } public LinkFieldType Link { get; set; } public List<SubMenuSubItem> SubItems { get; set; } } public class SubMenuHighlightItem : SubMenuVariant { [JsonPropertyName(FieldNames.HighlightTitle)] public…

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