我不知道为什么在发布职位后我的脸书上没有任何内容

Question

我正在制作一个测试c＃winform程序，用于通过sdk发布到facebook上。 我的代码在下面;我猜它成功了，我得到了最终结果，如{{＆＃34; id＆＃34;：＆＃34; 110367383104533_110569899750948＆＃34;}} 但是当我进入我的脸书时，没有新发布的内容。 没有错误。这种情况有什么不对？

        string sAppID = "<MyAppID>";
        string sAppSecret = "<MyAppSecretCode>";
        string sAccessToken = String.Empty;
        string sPageID = String.Empty;

        FacebookClient fb = new FacebookClient();
        dynamic result = fb.Get("/oauth/access_token", new
        {
            client_id = sAppID,
            client_secret = sAppSecret,
            grant_type = "client_credentials", 
            scope = "manage_pages, publish_pages, publish_stream" 
        });
        sAccessToken = result.access_token;
        if (!String.IsNullOrEmpty(sAccessToken))
        {
            fb = new Facebook.FacebookClient(sAccessToken);
            fb.AccessToken = sAccessToken;
            fb.AppId = sAppID;
            fb.AppSecret = sAppSecret;

            dynamic fbAccounts = fb.Get($"/{sAppID}/accounts");

            foreach (dynamic account in fbAccounts.data)
            {
                sPageID = account.id;
                sAccessToken = account.access_token;
                break;
            } //foreach

            fb = new FacebookClient(sAccessToken);
            dynamic parameters = new ExpandoObject();
            parameters.message = tbxMessage.Text;
            dynamic dResult = fb.Post($"/{sPageID}/feed", parameters);
            MessageBox.Show(dResult.id);
        }
        else
        {
            MessageBox.Show("failed to get access token");
            return;
        } // else