protected void VerifyButton_Click(object sender, EventArgs e) { ResultLabel.Visible = true; OAuthTokens tokens = new OAuthTokens() { AccessToken = AKTextBox.Text, AccessTokenSecret = ASTextBox.Text, ConsumerKey = CKTextBox.Text, ConsumerSecret = CSTextBox.Text }; TwitterResponse <TwitterErrorDetails> twitterResponse = TwitterAccount.EndSession(tokens, null); if (twitterResponse.Result == RequestResult.Success) { ResultLabel.Text = string.Format("Success! Verified as {0}", twitterResponse.ResponseObject.ErrorMessage); ResultLabel.CssClass = "ResultLabelSuccess"; } else { ResultLabel.Text = string.Format("Failed! \"{0}\"", twitterResponse.ErrorMessage ?? "Not Authorized."); ResultLabel.CssClass = "ResultLabelFailed"; } }