<?php
/*Model
M_appunasa.php
*/
function get_kategori() {
        $data = array();
        $query = $this->db->get('kategori_produk'); //curiga ngak kepanggil
        if ($query->num_rows() > 0) {
            foreach ($query->result_array() as $row){
                    $data[] = $row;
                }
        }
        $query->free_result();
        return $data;
    }
/*
Controller
C_appunasa.php
*/
function dynamic_combobox(){
     // retrieve the states and add to the data array
        //$this->load->model('M_appunasa');
        $data['hasil'] = $this->M_appunasa->get_kategori();
        $this->load->view('appunasa/tambah_produk', $data);
}
/*
View
tambah_produk.php
*/
    <?
    if (count($hasil)) {
    echo "<select name='id_kategori' id='id_kategori'>";

        foreach ($hasil as $id=>$list) {
            echo "<option value='". $id . "'>" . $list. "</option>";
        }

    echo "</select>";
    }else{
        echo "NO SELECT";
    }
    ?>