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Hi all. Im trying go abit beyond the chapters of the yii-book, and im struggeling with the update of a database. I cant seem to figure out how i update an existing row. So im trying to build a e-mail verification, a user registers and gets an email with a link to myproject.com/verify?id=ID&verificationcode=VERIFICATIONCODE, and the verifypage picks it up and runs my actionVerify() method: public function actionVerify() { $model=User::model()->findByPk($_POST['id']); $model->attributes=$_POST['Verify']; if($model->validate()) { Yii::app()->user->setFlash('validated','<h2>Your E-mail is validated!</h2><p>You can now log in using the form below.</p>'); $model->save(); $this->redirect(Yii::app()->homeUrl/login); } } I've tried for a few hours now, starting of with using $model = new User, that ofcourse generates an error as you cant update an existing row with the creation of a new object. The code i have pasted over here generates the following error: Undefined index: id So im kinda stuck here, and im sure the solution is close to something i've tried. I have googled this alot, but the lack of well-explained articles kills me. I just dont have the understandment of yii/oop to use the manual or short articles just yet. Any help is appriciated, thanks in advance.