json.net

问题 When I deseiralize the JSON to the C# object below, either using Newtonsoft explicitly or via the model binding mechanism of ASP.NET Web Api, the string id value is automatically converted to int. I would expect it to throw an exception or raise an error as there is a type mismatch. Is this how JSON is supposed to work in the specs? If not, how can I prevent such an automatic conversion? JSON: {"id":"4", "name":"a"} C# model: int id; string name 回答1: This is a feature of Json.NET: when

问题 I can't figure out how to concatenate two JArrays that I got be using JArray.Parse? The order of the arrays must be preserved i.e. the first array should be first and element in seconds should come afterwards. 回答1: You can add elements to one JArray by calling JArray.Add(element) where element comes from the second JArray. You'll need to loop over the second JArray to add all of these elements, but this will accomplish what you want: for(int i=0; i<jarrayTwo.Count; i++) { jarrayOne.Add

问题 I got a couple different formats that come in but I can't figure out how to handle them all because when I try to find by key json.net crashes. I was hoping it would just return null. foreach (var item in jsonObj) { var msg = item.Value["Msg"]; if (msg != null) { txtErrors.Text += msg + Environment.NewLine; } } // format one {[UserNotFound, { "SeverityType": 3, "ValidationType": 2, "Msg": "Email Not Found" }]} my code works. // format 2 (came because I did not catch an exception on serverside

问题 I have the following class: public class MyRequest { public string Type {get;set;} public string Source {get;set;} } I would like to serialize/deserialize the value for Source from the JSON field named the value of Type , for example: { "type": "bank", "bank": "Some value" } or { "type": "card", "card": "Some value" } Where both bind to the Source property. 回答1: You could create a custom JsonConverter to handle the dynamic property name: public class MyRequestConverter : JsonConverter {

问题 I'm writing a web api in .Net Core 2.2. I have an enumeration as follows: using System.Runtime.Serialization; namespace MyNamespace { public enum MyEnum { [EnumMember(Value = "Some Value")] SomeValue } } If I pass in random data as MyEnum in a request using the enum I rightly get an error, but if I pass "Some Value" or "SomeValue" it passes. How do I make "SomeValue" invalid? "SomeValue" isn't in my swagger and isn't a value I want to accept. So basically, model validation passes for

问题 I make a call to google's dictionary api like this: var json = new WebClient().DownloadString(string.Format(@"http://www.google.com/dictionary/json?callback=dict_api.callbacks.id100&q={0}&sl=en&tl=en", "bar")); However I get a response that this code fails to parse correctly: json = json.Replace("dict_api.callbacks.id100(", "").Replace(",200,null)", ""); JObject o = JObject.Parse(json); The parse dies at encountering this: "entries":[{"type":"example","terms":[{"type":"text","text":"\x3cem

问题 I am using JSON.NET and I want to convert from XML to JSON. I am using JsonConvert.SerializeXNode(node) and I noticed that my json object has properties with @ in front of their names: So for example: If I have: <channel id="999" name="XXX" sid="8294" type="Digital TV" /> the JSON object is: { "@id": "999", @name="XXX" etc Why am I getting "@" inserted in the JSON and is there a way I can avoid the "@" character being inserted? 回答1: I think thats just the way json.net works regarding the @

问题 I'm using Newtonsoft.Json to parse object to json string. It returns somethink like this: {\"code\":-1,\"idName\":\"empty\",\"idValue\":0,\"message\":\"Failed,can not read object from body\"} it is not a valid json string i think, anyone can work me out? What I want is something like this: {"code":-1,"idName":"empty\",\"idValue\":0,\"message\":\"Failed,can not read object from body\"} public static class CommonUtility { // format response string public static string FormatResponseString(int

问题 Is it possible to use JsonProperty annotation to map a nested Json property to a non-nested .NET member? Say you've got some Json like this: { "id":9999, "created_date":"Thu, 23 Jun 2011 12:56:24 +0000", "pos":{ "type":"someType", "coordinates":[ 59.323, 18.0654 ] } } and want to deserialize it into a flattened class MyClass using JsonConvert.DeserializeObject<MyClass>(jsonstr); Can annotations be used to map the Json coordinates list to Lat and Lng in the class below: public class MyClass {

问题 I'm trying to serialize only the inherited properties of a class using json.net. I'm aware of the [JsonIgnore] attribute, but I only want to do ignore them on certain occasion, so I used a custom JsonConverter instead. Here's my class: public class EverythingButBaseJsonConverter : JsonConverter { public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer) { // Find properties of inherited class var classType = value.GetType(); var classProps = classType