json.net

问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: how to force netwtonsoft json serializer to serialize datetime property to string? I am using Newtonsoft.Json to convert my object in to JSON file. But I am having issue with the DateTime , in my object datetime field is set as "7/30/2012 8:29:12 PM" but in JSON file. I am getting DateTime field in this format: "\/Date(1343660352227+0530)\/" . I need to get the DateTime in the same format as that of the object.

问题 When creating a custom Json Converter one of the methods which needs to be overridden is: public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer) What is "existingValue" parameter used for? What does the variable name "existingValue" mean in this context? 回答1: Simply put, the existingValue parameter gives you the existing or default value of the object that will ultimately be replaced with the value returned from the ReadJson method

问题 I would like to deserialize the returned JSON from a service call in VB.NET to an anonymous type but I was having error. It works in C# using dynamic type but i dont know how to do it in VB. Here is my JSON returned from a web service call: {"format":"png","height":564,"width":864} Here is my VB code json above assigned to param text: Dim testObj = Newtonsoft.Json.JsonConvert.DeserializeObject(text) But when i tried to access testObj.format, an exception was thrown with message {"Public

问题 I want to convert a dataset which has multiple data-tables within it. Following is the example, The dataset X has two data tables A and B I want the result as follows, { "type":"A", "value":"100", "details":[ {"name":"John", "age":"45", "gender":"M"}, {"name":"Sebastin", "age":"34", "gender":"M"}, {"name":"Marc", "age":"23", "gender":"M"}, {"name":"Natalia", "age":"34", "gender":"F"} ] } Currently I am using Newtonsoft.Json. Is it possible with Newtonsoft.Json? If not, is it possible with any

问题 I have JSON like this: { "Property":"Blah blah", "Dictionary": { "Key1" : "Value1", "Key2" : "Value2", "Key3" : "Value3" } } I want to extract the "Dictionary" object as a Dictionary (so it'd be like Key1 => Value1, etc.). If I just had the "Dictionary" object directly, I could use: JsonConvert.DeserializeObject<Dictionary<string, string>> What's the best way to get just the Dictionary property as a Dictionary? Thanks in advance! Tim 回答1: Took me a little while to figure out, but I just didn

问题 I am trying to use Json.NET to serialize a subclass. The resulting json contains the serialized properties for the superclass but not the properties on the subclass object. This seems to be related to an issue I found here on SO. But having to write a JsonConverter seems like overkill. Sample subclass: public class MySubclass : List<string> { public string Name { get; set; } } Sample of the serialization: MySubclass myType = new MySubclass() { Name = "Awesome Subclass" }; myType.Add("I am an

问题 I'm working on a REST API in ASP.NET MVC where the resulting serialised JSON uses lowercase_underscore for attributes. From a class Person with string properties FirstName and Surname , I get JSON as follows: { first_name: "Charlie", surname: "Brown" } Note the lowercase_underscore names. The contract resolver I use to do this conversion automatically for me is: public class JsonLowerCaseUnderscoreContractResolver : DefaultContractResolver { private Regex regex = new Regex("(?!(^[A-Z]))([A-Z]

问题 I am using Newtonsoft.Json for serializing my dates from C# to javscript what I want to do is have the json serializer use the current culture for formatting dates into string Here is what I am getting by my Json serializer: JsonConvert.SerializeObject(DateTime.Now); result is: "2016-07-08T17:10:17.6722753-05:00" But what I prefer is: "08/07/2016 17:10:57" Because my current culture is brazil and I want my dates to be displayed the above way. Is it possible to Globally ( for any date that may

问题 If I use Newtonsoft.Json.NET it defaults to iso8601 (i.e.: 2011-06-02T09:34:29+02:00 ) for serializing/deserializing dates. Why ServiceStack.Text doesn't default to this and I need to specify it as a configuration setting? 回答1: ServiceStack followed the .NET DataContractSerializer defaults, not JSON.NET. We are reluctant to make breaking changes like this, especially when there's an easy way to configure it otherwise with: JsConfig.DateHandler = DateHandler.ISO8601; 来源： https://stackoverflow

问题 Using C# and Visual Studio 2010 (Windows Form Project), InstaSharp and Newtonsoft.Json libraries. I want to get the image url from the JSON string returned to me by the Endpoint Instagram API when I request for a particular hashtag. I can so far retrive the JSON string. I am trying to use Newtonsoft.Json to deserialize the object using the examples, but I probably dont understand the JSON string representation of the object properly. Below is a simplified sample response I get from the api