about dropDownList selection

[djfly]

general:

<?= $form->field($model, 'parent')->dropDownList($items) ?>

Practical work:

<div class="form-group field-category-parent">
<?= Html::activeLabel($model, 'parent') ?>
<?= Html::dropDownList('Category[parent]', $parent->id, $items, ['id'=>'category-parent', 'class' => "form-control"]) ?>
<?= Html::error($model, 'parent' ) ?>
</div>

I think this should be better

<?= $form->field($model, 'parent')->dropDownList($items, ['value' => $parent->id]) ?>

Some people experience the same confusion it?

[samdark]

What's the problem exactly?

[djfly]

selected does not depend on model, we can manually set

In my case, $ model-> parent has a value, but I do not want it to display this value, I need to set another value

this is my proposal

<?= $form->field($model, 'parent')->dropDownList($items, ['value' => $parent->id]) ?>

[cebe]

does Category model has a parent_id and is parent the relation?

[djfly]

not relation ,just set a selected value for select

<select id="category-parent" class="form-control" name="Category[parent]">
<option value="34">one</option>
<option value="35">two</option>
<option value="35" selected="">three</option>
</select>

I mean, this function should be added a argument for set selected value https://github.com/yiisoft/yii2/blob/master/framework/widgets/ActiveField.php line 517

public function dropDownList($items, $options = [])
    {
...

one solution is

public function dropDownList($items,$selection)

Another solution is

public function dropDownList($items, ['options' => ['value => xxx]]) ?>

[cebe]

you can do it like this, there is no need for this option:

<?php
$model->parent = $parent->id;
echo $form->field($model, 'parent')->dropDownList($items);
?>