function placeprofile()
{
$crud = new Grocery_CRUD();
$crud->set_model('crud_model');
$crud->set_table('place_history');
$crud->columns('province', 'municipality', 'barangay', 'land_area', 'population', 'year');
$crud->unset_read();
$crud->set_theme('datatables');
$crud->fields('place_id', 'province', 'municipality', 'barangay', 'land_area', 'population', 'year');
$crud->field_type('place_id', 'invisible');
$crud->required_fields('province');
$crud->callback_before_insert(array($this, '_callback_place_id'));
$crud->callback_before_update(array($this, '_callback_place_id'));
$crud->callback_field('province', array($this, '_callback_province'));
$this->dependent_dropdown_place($crud);
$output = $crud->render();
}
