@FXML
    private void InsertButtonAction(ActionEvent event) throws IOException {
      //alterar conection!
      String myDriver = "org.gjt.mm.mysql.Driver";
      String myUrl = "jdbc:mysql://localhost/test";
      Class.forName(myDriver);
      Connection conn = DriverManager.getConnection(myUrl, "root", "");

      //alterar table name
        String query = " insert into tableName (dept_no, dept_name)"
        + " values (?, ?)";


      PreparedStatement preparedStmt = conn.prepareStatement(query);
      //aletrar String
      preparedStmt.setString (1, "Numero+1 de departamentos");
      preparedStmt.setString (2, textfield.getText());

      preparedStmt.execute();

      conn.close();
    }
}