private string obtener_acceso(string code)
{
//Uri es una direccion url
Uri dir = new Uri("https://graph.facebook.com/v4.0/oauth/access_token?client_id=" + id_app + "&redirect_uri=https://localhost:" + Request.ServerVariables["SERVER_PORT"] + "/WebForm2.aspx&client_secret=" + id_secret + "&code=" + code);
HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(dir);
req.Method = "POST";
StreamReader entrada_datos = new StreamReader(req.GetResponse().GetResponseStream()); //flijo de entrada de datos
string token = entrada_datos.ReadToEnd().ToString().Replace("access_token=", "");
tok class_token = JsonConvert.DeserializeObject <tok>(token);
return(class_token.access_token);
}
var(tok, err) = s.Token(true, ratTok);
