title: How to get a facebook access token using appid and app secret without any login credentials?
body: <p>I need to get FaceBook access token using appid and app secret in C# windows application. Actually i did below coding, but getting app token only not getting the access token. </p>
  
  <p>how to achieve to retrieve access token.?</p>
  
  <pre><code> FacebookClient client = new FacebookClient();
              dynamic result = client.Get("oauth/access_token", new
              {
                  client_id = "1498796747020950",
                  client_secret = "c50341f5b4e42a595f0791467f439e38",
                  grant_type = "client_credentials"
              });
            var  accessToken = result.access_token;
  </code></pre>