Facebook obtains JSON data with OAuth validation

First download the Facebook related dynamic library, download the file: Facebook.dll

To obtain the authorization token method:

  Private stringSettoken (stringGetToken)//Here is your short token, get a two month long token by token {stringShortlivedtoken =GetToken; varClient =Newfacebookclient (); IDictionary<string,Object>result; Try{result= client. Get ("/oauth/access_token",New{Grant_type="Fb_exchange_token", client_id="your ID", Client_secret="your secret.", Fb_exchange_token=Shortlivedtoken})  asidictionary<string,Object>; }            Catch(Exception ex) {Throw NewException (ex.            Message); }            stringtoken = result["Access_token"] as string; returntoken; }

Get the JSON string method:

  Public stringGETDATAFROMFB (stringAccess_token) {            if(!string. IsNullOrEmpty (Access_token)) {Try                {                    Objectpage =NULL; varClient =Newfacebookclient (Access_token); Page= client. Get ("https://graph.facebook.com/v2.0/content name/posts?limit=10&access_token="+Access_token); returnpage.                ToString (); }                Catch(Exception ex) {Throwex; }            }            Else            {                return "token cannot be found"; }        }

Facebook obtains JSON data with OAuth validation