Skip to main content

Yii2 . FORM How to make dependant drop down. Where second drop downs values are dependant on first drop down selection

By
In form file :



 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
<?= $form->field($model, 'country_id')->dropDownList(["5"=>'USA', "6"=>"Pakistan"],
        ['prompt'=>'Select Country',
            'onchange'=>'
                $.get( "'.\yii\helpers\Url::toRoute('/site/getstates').'", { id: $(this).val() } )
                      .done(function( data ) {
                                $( "#'.Html::getInputId($model, 'state_id').'" ).html( data );
                            }
                        );
            ','class' => 'form-control'
        ]
    ); ?>
    <?= $form->field($model, 'state_id')
        ->dropDownList(
            [
                'prompt'=>'Select State',
            ]
        );
    ?>





In siteController.php file add a function like below:




public function actionGetstates($id){
        $states = StateProvince::find()->where(
            [
                'country_id'=>$id
            ]
        )->all();

        $returnStr = "";
        foreach ($states as $state){
            $returnStr.="<option value='{$state->state_id}'>{$state->name}</option>";
        }

        return $returnStr;
    }


Labels:

Popular posts from this blog

Yii, return to previous url after login or logout

By
If you want to return to your previous url after login or logout try this : <?php $this -> redirect (Yii :: app () -> request -> urlReferrer ); ?> To set the return url to be the url that was before the login page or registeration page was called you can put following code in views/layouts/main.php file : <?php //this checks id the controller action is not 'login' then it keeps the current url in returnUrl if (CController :: getAction () -> id != 'login' ) { Yii :: app () -> user -> setReturnUrl (Yii :: app () -> request -> getUrl ()); } ?>
Read more

yii, Executing a SQL without calling a Model

By
yii, Executing a SQL without calling a Model <? $connection = Yii :: app () -> db ; $sql = "SELECT id,username FROM users" ; $command = $connection -> createCommand ( $sql ); $dataReader = $command -> query (); $rows = $dataReader -> readAll (); print_r ( $rows ); ?>
Read more