How to ignore Property on JSON deserialization?
My Dto has Id property: public class ADto { public int Id { get; set; } public string Text { get; set; } } The Id is set by EF Core not by Frontend request, so I want to ignore…
Json – .NET 8 serialization/deserialization of IEnumerable interface
Having following classes: public class Person { public int Age { get; set; } } using System.Collections; using System.Text.Json.Serialization; namespace SerializeCustomEnumerable; public class Statistics<T> : IEnumerable<(int Year, T Value)> where T : new() { // Underlying structure where data are…
Json – How to serialize a generic object
I'm sorry for the bad title but I really don't know how to put this any other way. The detailed problem is as follows: I have a .NET API with Controllers. I have a controller that has a reference to…
Json – Deserialize field with array or string
in my .NET 5 application I deserialize data using the System.Text.Json functions. This works for the most part. Except for one field in the received JSON document, which can contain a number array, a string array or a single string…
Upgrading from .net5 to .net7 Json Serialization stopped working
We had an ASP.NET Core 5 Web API backend alongside a ReactJS UI app. In startup we instantiated the json framework the following way: services.AddControllers() .AddNewtonsoftJson() .AddJsonOptions(options => { options.JsonSerializerOptions.Converters.Add(new JsonStringEnumConverter()); }); It was working well alongside "JsonPropertyName" attributes, i.e.…
System.Text.Json JsonStringEnumConverter with custom fallback in case of deserialization failures
I have a .NET 6 program that needs to deserialize a JSON string value (returned by external API) into a .NET enum. The issue is that there are over 100 possible enum values (and more could be added without my…
JsonSerializer.Deserialize returns an empty object with null properties
I try to parse a response by the OSRM map matching service using the following code (here a .NET Fiddle too): namespace OsrmMapMatch { public class OsrmResponse { public string code; public OsrmLeg[] legs; } public class OsrmLeg { public…
How do you remove a nested element from a json string using system.text.json C#
I have a json string that has nested values: { "card": { "number": "411111111111111111", "expirationMonth": null, "expirationYear": null, "securityCode": null } } I want to remove expirationMonth, expirationYear, securityCode so that only card: number remain. but I can't find any…
Can JsonNode get all lines of JSON without knowing the schema?
Let's say I am expecting a simple JSON response from an API like so: { "message": "Source: ", "incomingUrl": "https://10.1.1/api/echo", "incomingHeadersCount": 21, "apiVersion": "1.0" } I can use JsonNode to parse it and output the lines. This requires me to…
Deserialization using System.Text.Json fails when constructor parameter doesn't have the same type as the matching property
What would be the best way of making STJ deserialize correctly for cases where the type of the constructor parameter does not match the type of the property with a matching name? Consider the following code sample: using System.Text.Json; string…