insert a value from a db to textfield in yii2 - yii2

Question

i'm still beginner in yii and php.
my problem is:
i want add a value that from db to my textfield.
my db table 'config' have 3 column, id;name;value;
i have tried code like this:
<?= $form->field($model, 'name')->textInput(['value'=>$model->value])->label('name',['class'=>'label-class'])?>
but it didn't show the value.
i want a update form for change value . example: name: title; value: hello world.

Answer 1

Your controller should be something like that:
public function actionUpdate($id)
{
$model = $this->findModel($id);
if ($model->load(Yii::$app->request->post()) && $model->save()) {
return $this->redirect(['view', 'id' => $model->id]);
} else {
return $this->render('update', [
'model' => $model,
]);
}
}
protected function findModel($id)
{
if (($model = Mymodel::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
and in view you simply write
<?= $form->field($model, 'name')->textInput()->label('name',['class'=>'label-class'])?>
Your database values will be in your field.
For simple CRUD you may use GII http://www.yiiframework.com/doc-2.0/guide-start-gii.html