Add array to a list of objects

Question

this is the class to create my json object

    public class RootObject
    {
        public string name { get; set; }
        public string id { get; set; }
        public string school { get; set; }
        public List<object> details{ get; set; }
    }

this is the way I'm creating a new object

        var obj = new RootObject();
        obj.name= "test";
        obj.id = "null";
        obj.school = "something else";

Then I am serializing the object using JavaScriptSerializer (this is working fine) I need to add an array to this list of object "details" to get something like this:

{
  "name ":"test",
  "id":null,
  "school ":"something else",
  "details":["details1","detail2"]
}

I tried to add as string or element by element but without success. How can I solve this?

What are you having trouble with? Creating the list? Having the list be serialized? Deserializing the list? — Jim Mischel
– Jim Mischel, Commented Aug 30, 2013 at 14:01

Marc Gravell · Accepted Answer · 2013-08-30 13:59:50Z

4

I strongly suggest you just use Json.NET:

obj.details = new List<object>
{
    "details1", "details2"
};

Then, JsonConvert.SerializeObject(obj, Formatting.Indented) gives:

{
  "name": "test",
  "id": "null",
  "school": "something else",
  "details": [
    "details1",
    "details2"
  ]
}

answered Aug 30, 2013 at 13:59

Marc Gravell

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1 Comment

nhenrique Over a year ago

I have checked this before but I don't think I will need Json.NET for now but this works as well! Thanks

Paddyd · Accepted Answer · 2013-08-30 14:02:25Z

1

You need to initialize the List:

obj.details = new List<object>();

Then to add data:

obj.details.Add("Details1");
obj.details.Add("Details2");

answered Aug 30, 2013 at 14:02

Paddyd

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1 Comment

nhenrique Over a year ago

that's it! I totally forgot to initialize it...it happens sometimes, thank you!

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