All Questions
Tagged with asp.net-core-3.0 json
18
questions
16
votes
1
answer
18k
views
asp .net core 6 how to update option for json serialization. Date format in Json serialization
My apologies for the silly question, but I don't see a good example of how can I specify a specific format for DateTime in JSON serialization for .net core 6.
The old way, net core 3.
// in the ...
- 4,276
5
votes
1
answer
3k
views
How to deserialize part of json using System.Text.Json in .net core 3.0?
I have a json from here https://api.nasa.gov/insight_weather/?api_key=DEMO_KEY&feedtype=json&ver=1.0 which looks like:
{
"782": {
"First_UTC": "2021-02-06T17:08:...
- 2,007
1
vote
1
answer
131
views
Passing json through a controller
I have this back-end system that produces json. Is it possible to pass that data through a controller on request and correctly setting the mimetype? Everything I've tried so far tries to re-serialize ...
- 2,270
1
vote
2
answers
3k
views
.Net Core 3.0 object Type set value
I'm trying to build my .net core 3.0 web api project but stuck on a statement last 4 days.
Here is my problem. I have a filtration model called "GridFilter" this model looks like this :
public ...
- 23
1
vote
1
answer
2k
views
Custom JsonConverter attributes not working with Json.Serialize() using Newtonsoft.JSON in ASP.NET Core 3.1
I want to use Newtonsoft Json.NET to perform de/serialization in an ASP.NET Core 3.1 application. I've put the following in my startup ConfigureServices code:
services.AddMvc().AddNewtonsoftJson();
...
- 1,871
4
votes
1
answer
2k
views
JsonSerializer Struct with asp-net core 3.0
I'm having issues with .net core 3.0 when I convert a struct to a json. (with wasn't a problem when I was using .net core 2.2)
This is my struct
[Serializable]
struct Item
{
public int A;
...
12
votes
2
answers
6k
views
JsonOutputFormatter in ASP.NET Core 3.0
In asp.net core 2.2 I used to have the following,
var jsonSettings = new JsonSerializerSettings
{
ContractResolver = new SubstituteNullWithEmptyStringContractResolver()
};
services.AddMvc(...
- 1,455
25
votes
1
answer
20k
views
Modifying a JSON file using System.Text.Json
I know you can do this easily with Newtonsoft. As I am working with .NET Core 3.0, however, I am trying to use the new methods for interacting with JSON files —i.e., System.Text.Json—and I refuse to ...
- 373
1
vote
1
answer
825
views
Deserializing JSON to DateTime property throws exception
I'm trying to deserialize the following JSON:
{
"Anriss": "SomeAnriss",
"ArtikelId": 123123,
"Image": null,
"KanalId": 101,
"MediumName": "SomeMediumName",
"PublikationsDatum":...
- 4,575
0
votes
1
answer
32
views
Can I use an variable in the [Route("x/{id}") of ASP.net core 3.0?
I'm making an Customers dashboard. In this dashboard each customer has one or more contacts. Those contacts have there own screen. To get acces to that screen I thought I would Implement a route with ...
0
votes
1
answer
3k
views
Error when deserializing to ProblemDetails with System.Text.Json.JsonSerializer. .Net Core 3.0
Consider the following json:
{
"title": "SOME TITEL",
"status": 500,
"detail": "Some detail",
"errors": [
{
"Parameter": "SOME VALUE",
"Code": "SOME ...
- 746
2
votes
2
answers
714
views
ASP.NET 3.0. Date in seconds cannot be converted from JSON to System.Date within POST request
I want to test my POST endpoint with simple request with JSON in its body.
I have an ASP.NET Core 3.0 project with one single controller and one endpoint inside it. I created empty ASP.NET Core ...
- 33
8
votes
3
answers
8k
views
JsonIgnore attribute keeps serializing properties in ASP.NET Core 3
I've recently updated my API project to ASP.NET Core 3. Since then, [JsonIgnore] attributes are not working:
public class Diagnostico
{
[JsonIgnore]
public int TipoDiagnostico { get; set; }
...
- 2,286
2
votes
2
answers
4k
views
Json.Net JsonConstructor attribute alternative for System.Text.Json
In Json.Net we have JsonConstructor attribute in order to instruct deserializer that should use the constructor to create the object.
Is there alternative in System.Text.Json?
- 1,304
123
votes
6
answers
173k
views
How to set json serializer settings in asp.net core 3?
json serializer settings for legacy asp.net core applications were set by adding AddMvc().AddJsonOptions(), but I don't use AddMvc() in asp.net core 3. So how can I set global json serialization ...
- 2,726