How to make a drop down list in yii2?

Question

How to make a dropdown in yii2 using an activeform and a model? Since all the methods has changed in yii2,how it is done

Answer 1

field($model, 'attribute_name')->dropDownList(
         ArrayHelper::map(Table_name::find()->all(),'id','field_name'),
        ['prompt' => 'Select']
) ?>

This will help you...Don't forget to use the class file in header.