We're calling an API that returns JSON data structured as follows: [ { "firstName": "Bill", "lastName": "Gates", "email": "[email protected]" }, { "firstName": "Steve", "lastName": "Balmer", "email": "[email protected]" } ] After copying this data, and using the "Paste JSON as Classes"…
I am trying to serialize a property of Encoding type. I wrote a converter class for that purpose. When I use JsonSerializerOptions everything works, but when I use JsonConverterAttribute I get an exception. I am not sure what I am…
I work with a class that comes from a Nuget package, and therefore I can't add properties to it. Imagine this class: public class Base { public Data Data { get; set; } // Many other properties.. } public class…
I am calling vendor Api to get json data, I want to convert that json to my custom structure. Here is example When I call student data, vendor returns data as below { "Students": [ { "FirstName":"Abc", "LastName":"pqr" }, {…
I have the following code, taken from https://learn.microsoft.com/En-Us/dotnet/standard/serialization/system-text-json/custom-contracts#example-serialize-private-fields. It works fine to serialize the fields of Brains.Brain, but when deserializing, the instance created has (a, b, c, d) = (2, 0, 4, 4) when it should be (2, 3, 4,…
I am using .NET 8 and try to deserialize a class with a [JsonConstructor] that has a Dictionary<string,int> as parameter. But this always fails with this error: Reference metadata is not supported when deserializing constructor parameters. I think this is…
I'm encountering an issue with System.Text.Json in C# related to the serialization of floating-point numbers. When serializing a float with a decimal part (e.g., 4.0), the library seems to omit the decimal part, resulting in the JSON representation being just…
I'm trying to combine [JsonPropertyName] with [ObservableProperty] to assign the value "last_updated" of my json to the property "Updated" of my object. I tried this code: [ObservableProperty] [JsonPropertyName("last_updated")] public string updated; But it is not working: 'Updated' is null after…
I receive dynamic JSON in my web api post request. [HttpPost("receive")] public async Task<IActionResult> ReceiveJson([FromBody] JsonDocument document) One of my JSON elements is a binary array: "attachments": [ { "content": [ 255, 216, ... 128, 70 ] } I am…
Here are my codes: public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); Debug.WriteLine(JsonSerializer.Serialize<TestModel>(new TestModel() { Name = "123", Time = DateTime.Now })); Debug.WriteLine(JsonSerializer.Serialize<TestModelWithGeneric<int>>(new TestModelWithGeneric<int>() { Name = "123", Time = DateTime.Now ,Value=1})); Debug.WriteLine(JsonSerializer.Serialize<TestModelWithGeneric<string>>(new TestModelWithGeneric<string>() { Name =…