JSON nested array

Question

Lets say i have the following JSON

{
   "data": [
      {
         "from": {
            "name": "aaa bbb",
         },
         "actions": [
            {
               "name": "Comment",
               "link": "http://...
            },
            {
               "name": "Like",
               "link": "http://.."
            }
         ],
      },

And i have

JSONObject wallData = helper.Get("/me/feed");
if (wallData != null)
{
    var data = wallData.Dictionary["data"];
    List<JSONObject> wallPosts = data.Array.ToList<JSONObject>();
}
foreach (Facebook.JSONObject wallItem in wallPosts)
{  ... }

Which stores me whole feed into wallData and 'data' object into wallPosts. So then i can access the wallItem.Dictionary["from"].Dictionary["name"], and i get "aaa bbb". But i can't get inside the actions array The wallItem.Dictionary["actions"].Dictionary["name"] doesn't work.

Any idea

Skilldrick · Accepted Answer · 2011-01-14 10:09:28Z

1

You need to do something like wallItem.Dictionary["actions"][0].Dictionary["name"] because "actions" is an array.

answered Jan 14, 2011 at 10:09

Skilldrick

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3 Comments

Sebastjan Over a year ago

Ok... so i put this into a Foreach ViewData["hm"] = wallItem.Dictionary["actions"][0].Dictionary["name"].String; It underlines me wallItem.Dictionary["actions"][0], error saying "Cannot apply indexing with [] to an expression of type Facebook.JSONobject" Any idea

Skilldrick Over a year ago

I don't know how a Facebook.JSONobject works - maybe wallItem.Dictionary["actions"].Array[0].Dictionary["name"]?

Whimsical Over a year ago

Maybe a (wallItem.Dictionary["actions"])["name"] would help. Cast if necessary...

Whimsical · Accepted Answer · 2011-01-14 11:24:48Z

0

On a different note...its neater if u directly into a class...like this

var jSerializer = new JavaScriptSerializer();
var jsonObject = jSerializer.Deserialize<DataObject>(json);

The DataObject will be a class which emulates ur JSON data in a strongly typed class. Depending on the size of ur Json you will not have to use a lot of strings in your code.

edited Jan 14, 2011 at 11:24

answered Jan 14, 2011 at 10:51

Whimsical

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