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in Technique[技术] by (71.8m points)

php - display data from database to dropdown CodeIgniter

I'm having difficulty with display data from the db to dropdown.

This is what I have tried:

Model.php

        public function __construct()
        {
            parent::__construct();
        }

        function getAllGroups()
        {
            /*
            $query = $this->db->get('location');

            foreach ($query->result() as $row)
            {
                echo $row->description;
            }*/

            $query = $this->db->query('SELECT description FROM location');

            foreach ($query->result() as $row)
            {
                echo $row->description;
            }

            //echo 'Total Results: ' . $query->num_rows();
        }

Controller.php

    <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
    class Delivery_controller extends CI_Controller{
        public function __construct()
        {
            parent::__construct();
            $this->load->model('delivery_model');

        }
        public function index()
        {

            $data['title']= 'Warehouse - Delivery';
            $this->load->view('include/header',$data);
            $this->load->view('include/navbar',$data);
            $this->load->view('delivery_view', $data);
            $this->load->view('include/sidebar',$data);
            $this->load->view('include/footer',$data);
        $data['groups'] = $this->delivery_model->getAllGroups();
        }


    }

View.php

           <select class="form-control">
                <?php 
                        $data = $this->delivery_model->getAllGroups();
                foreach($description as $each)
                { ?><option value="<?php echo $each['description']; ?>"><?php echo $each['description']; ?></option>';
                <?php }
                ?>
                </select>

But the results appear on top of my page. It's not appearing on the dropdown list. What am I doing wrong in here? Help is pretty much appreciated. Thanks.

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1 Reply

0 votes
by (71.8m points)

You should not be calling your model from your view. Instead try calling you model and setting $data['groups'] before you load your views.

Also do not echo the row results in your model unless you want it displayed on your page.

Controller:

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Delivery_controller extends CI_Controller{
    public function __construct()
    {
        parent::__construct();
        $this->load->model('delivery_model');

    }
    public function index()
    {

        $data['title']= 'Warehouse - Delivery';
        $data['groups'] = $this->delivery_model->getAllGroups();
        $this->load->view('include/header',$data);
        $this->load->view('include/navbar',$data);
        $this->load->view('delivery_view', $data);
        $this->load->view('include/sidebar',$data);
        $this->load->view('include/footer',$data);

    }


}

Model:

    public function __construct()
    {
        parent::__construct();
    }

    function getAllGroups()
    {
        /*
        $query = $this->db->get('location');

        foreach ($query->result() as $row)
        {
            echo $row->description;
        }*/

        $query = $this->db->query('SELECT description FROM location');


        return $query->result();

        //echo 'Total Results: ' . $query->num_rows();
    }

View:

       <select class="form-control">
            <?php 

            foreach($groups as $row)
            { 
              echo '<option value="'.$row->description.'">'.$row->description.'</option>';
            }
            ?>
            </select>

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