how to set an attribute to ignore null value json c#


[JsonProperty(NullValueHandling=NullValueHandling.Ignore)]
// or
[JsonProperty("property_name", NullValueHandling=NullValueHandling.Ignore)]

// or for all properties in a class
[JsonObject(ItemNullValueHandling = NullValueHandling.Ignore)]

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how to set json type jquery ajax


$.ajax({
type: "POST",
url: siteRoot + "api/SpaceGame/AddPlayer",
async: false,
data: JSON.stringify({ Name: playersShip.name, Credits: playersShip.credits }),
contentType: "application/json",
complete: function (data) {
console.log(data);
wait = false;
}
});

$.ajax({
type: "POST",
contentType: "application/json",
url: 'http://localhost:16329/Hello',
data: { name: 'norm' },
dataType: "json"
});

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How to send JSON Web Token (JWT Token) as header with Postman and golang


func ProtectedEndpoint(w http.ResponseWriter, req *http.Request) {
params := req.URL.Query()
token, _ := jwt.Parse(params["token"][0], func(token *jwt.Token) (interface{}, error) {
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("There was an error")
}
return []byte("secret"), nil
})
if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
var user User
mapstructure.Decode(claims, &user)
json.NewEncoder(w).Encode(user)
} else {
json.NewEncoder(w).Encode(Exception{Message: "Invalid authorization token"})
}
}

func CreateTokenEndpoint(w http.ResponseWriter, req *http.Request) {
var user User
_ = json.NewDecoder(req.Body).Decode(&user)
token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
"username": user.Username,
})
tokenString, error := token.SignedString([]byte("secret"))
if error != nil {
fmt.Println(error)
}
json.NewEncoder(w).Encode(JwtToken{Token: tokenString})
}

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how to read json file in C#


JObject o1 = JObject.Parse(File.ReadAllText(@"c:videogames.json"));

// read JSON directly from a file
using (StreamReader file = File.OpenText(@"c:videogames.json"))
using (JsonTextReader reader = new JsonTextReader(file))
{
JObject o2 = (JObject)JToken.ReadFrom(reader);
}

//For any of the JSON parse, use the website
//http://json2csharp.com/
//(easiest way) to convert your JSON into
//C# class to deserialize your JSON into C# object.

public class FormatClass
{
public string JsonName { get; set; }
public string JsonPass { get; set; }
}
//Then use the JavaScriptSerializer (from System.Web.Script.Serialization),
// in case you don't want any third party DLL like newtonsoft.
public void Read()
{
using (StreamReader Filejosn = new StreamReader("Path.json"))
{
JavaScriptSerializer jss = new JavaScriptSerializer();
var Items = jss.Deserialize<FormatClass>(Filejosn.ReadToEnd());
// Add Code here :)
}
}
//by ahmed ashraf +201111490105

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