C# implements Json serialization method to delete null value example

We want to serialize an object, but if the attributes of the object are null, we want to remove all the attributes that are null. How to deal with it? In fact, the method is very simple. Let’s learn with the editor of Script Home How to remove null values ​​in Json serialization in C

#We want to serialize an object, but if the properties of the object are null, we want to remove all the properties that are null.

Here I useNewtonsoft.Json.dll

Record the serialization and deserialization

json string to object

Model model=JsonConvert.DeserializeObject<Model>(val);

Convert the object into a json format string

string jsonString = JsonConvert.SerializeObject(obj);

So how to serialize to How to filter out NULL when using json? ?

var jsonSetting = new JsonSerializerSettings {NullValueHandling = NullValueHandling.Ignore};
var json = JsonConvert.SerializeObject（data， Formatting.Indented， jsonSetting）;

Directly like thisJsonConvert.SerializeObject(obj);Serialization result

##

"MemberQuery": {
  "PhoneNumber": "13222222222",
  "Name": "test",
  "MF": "女",
  "BirthDate": "01/01/2017",
  "MaritalStatus": null,
  "Country": null
}

Filter out NULL serialization results:

"MemberQuery": {
 "PhoneNumber": "13222222222",
 "Name": "test",
 "MF": "女",
 "BirthDate": "01/01/2017"
}

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