protected void Send_Click(object sender, EventArgs e) { try { if (FormsRenderer.SubmitForm(parameters, CaptchaInput.Text)) { var responseText = parameters.GetParameter <string>("ResponseText"); var responsePageUrl = parameters.GetParameter <string>("ResponseUrl"); if (!string.IsNullOrEmpty(responsePageUrl)) { Response.Redirect(responsePageUrl); } IntroText.Text = responseText; Fields.Visible = false; FieldSet.Visible = false; Captcha.Visible = false; } } catch (Exception ex) { throw ex; } }