Adminhtml Form Button Value not Working

Question

I created a form in the adminhtml, all other fields are working well (ie., text, select, etc). However, I tried adding a button in the list of fields but it seems it's not picking up the value:

$fieldset->addField('test_button', 'button', array(
            'name'      => 'test_button',
            'value'     => 'Test Me',
            'label'     => 'Click the button to test',
));

Output is just:

<input id="test_button" name="test_button" value="" type="button">

Note that the value is empty, thus button is just a blank button.

user1240207 · Accepted Answer · 2015-03-27 02:27:42Z

7

I got it now, instead of using $form->setValues(), I used $form->addValues() as the former overrides the value of the fields.

answered Mar 27, 2015 at 2:27

user1240207

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Add a comment |

Umar Yousaf · Accepted Answer · 2017-10-20 07:51:53Z

If we want to show the provided value for the button than we have to change the function _prepareForm() used to load the admin form to use function addValues() instead of setValues().

protected function _prepareForm()
{
    //create form structure
    $this->_form = new Varien_Data_Form();
    $this->setForm($this->_form);
    $this->model = Mage::registry('Namespace_Module');

    $this->_prepareRegularForm();

    //set form values
    $data = Mage::getSingleton('adminhtml/session')->getFormData();

    if ($data) {
        $this->_form->addValues($data);
        Mage::getSingleton('adminhtml/session')->setFormData(null);
    }
    elseif ($this->model) {
        //Using addValues() instead of setValues()
        $this->_form->addValues($this->model->getData());
    }

    return parent::_prepareForm();
}

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