private void metroButton1_Click(object sender, EventArgs e) { if (username.Text == "" && namaLengkap.Text == "" && password.Text == "" && valid_password.Text == "") { MessageBox.Show("LENGKAPI SEMUA DATA"); } else { if (password.Text == valid_password.Text) { try { var client = new RestClient("http://localhost/web_sister/REST_API/api/admin"); var request = new RestRequest(Method.POST); //request.AddParameter("undefined", "userId=" + username.Text + "&nama=" + namaLengkap.Text + "&password="******"userId", username.Text); request.AddParameter("password", password.Text); request.AddParameter("nama", namaLengkap.Text); var response = client.Execute(request); var hasil = response.Content; JObject obj = JObject.Parse(hasil); bool status = (bool)obj.SelectToken("status"); MessageBox.Show(status.ToString() + "\nBERHASIL MENAMBAH DATA"); FormLogin a = new FormLogin(); a.Show(); this.Hide(); } catch (Exception eror) { MessageBox.Show(eror.ToString()); } } else { MessageBox.Show("PASSWORD TIDAK SAMA !"); } } }