protected void submitBtn_Click(object sender, EventArgs e) { GeetestLib geetest = new GeetestLib(GeetestConfig.privateKey, GeetestConfig.publicKey); int gt_server_status_code = GeetestLib.getGtServerStatusSession(Session); String result = ""; if (gt_server_status_code == 1) result = geetest.enhencedValidateRequest(Request); else result = geetest.failbackValidateRequest(Request); Response.Write(result); }