[c#] How to get a json string from url?

I'm switching my code form XML to JSON.

But I can't find how to get a JSON string from a given url.

The URL is something like this: "https://api.facebook.com/method/fql.query?query=.....&format=json"

I used XDocuments before, there I could use the load method:

XDocument doc = XDocument.load("URL");

What is the equivalent of this method for JSON? I'm using JSON.NET.

AFAIK JSON.Net does not provide functionality for reading from a URL. So you need to do this in two steps:

using (var webClient = new System.Net.WebClient()) {
    var json = webClient.DownloadString(URL);
    // Now parse with JSON.Net
}

If you're using .NET 4.5 and want to use async then you can use HttpClient in System.Net.Http:

using (var httpClient = new HttpClient())
{
    var json = await httpClient.GetStringAsync("url");

    // Now parse with JSON.Net
}