public function employees_management()
{

$this->config->load('grocery_crud');
$this->config->set_item('grocery_crud_dialog_forms',true);
$this->config->set_item('grocery_crud_dialog_color','darken-4 cyan');
$this->config->set_item('grocery_crud_dialog_text_color','white');

$this->config->load('grocery_crud');
$this->config->set_item('grocery_crud_dialog_forms',true);

$crud = new grocery_CRUD();

$crud->set_theme('materializecss'); // magic code
$crud->set_table('employees')
->set_subject('Employee')
->columns('employeeNumber','firstName','lastName','email','officeCode','jobTitle')
->set_relation('officeCode','offices','city');

$crud->display_as('email','E-Mail')
->display_as('employeeNumber','ID')
->display_as('firstName','Name')
->display_as('lastName','Last Name');

$crud->required_fields('firstName','lastName');

$crud->add_fields('firstName','lastName','email','jobTitle', 'officeCode');

$output = $crud->render();

$this->_example_output($output);
}