CodeIgniter form call to undefined function form_dropdown() error [duplicate]

Question

I want to create 2 dropdown list. First of them includes main categories, second one includes subcategories.

In codeigniter view i have this lines:

<table>
<tbody>
    <tr>
        <td><label>Top Level Option</label></td>
        <td><?php echo form_dropdown('options', $options, '#', 'id="options"'); ?></td>
    </tr>
    <tr>
        <td><label>Sub Level Option</label></td>
        <td><select name="suboptions" id="suboptions"><option value="#">-- Please Select Sub-option --</option></select></td>
    </tr>
</tbody>

But i have an error in echo form_dropdown() line:

Fatal error: Call to undefined function form_dropdown().

How can I use this form_dropdown()?

Hashem Qolami · Accepted Answer · 2014-03-08 21:14:23Z

3

You need to load the form helper file at first.

Whether to use $this->load->helper('form') within the Controller (in which you load the view file)

Or to load the helper automatically by adding the name of the helper to $autoload array config:

application\config\autoload.php

$autoload['helper'] = array('form');

answered Mar 8, 2014 at 21:14

Hashem Qolami

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