Re: Struggling with first cake development.

While Yvon makes some good observations what you actually set your variables to that are passed to the view are your choice. Name them as you wish.  He did hit the nail on the head though when it comes to your validation rules.  just like your table columns everything should be lowercase. 

I would agree as well in order to help depict where the error is it would be helpful to see the form as well.  Was your model, controller, and views created using the cake bake included

Hello Thomas...

Im sort of very new with Cakephp and I'm using/learning v2.3..

I'm not good enough (yet) to know exactly what is wrong, but it seems you didn't follow naming "conventions"...  And as I understood, for the magic to happen, it needs to be consistent..

CategoriesController.php
<?php
class CategoriesController extends AppController {
    public $helpers = array('Html', 'Form');
    public $components = array('Session');
   
     public function index() {
         $this->set('Categories', $this->Category->find('all'));  // Here, it should be 'categories' (no capital C)
    }   
     public function view($id = null) {
        if (!$id) {
            throw new NotFoundException(__('Invalid category'));
        }
        $CatRec = $this->Category->findById($id);  // $categorie = $this..
        if (!$CatRec) { // !$categorie
            throw new NotFoundException(__('Invalid category'));
        }
        $this->set('Categories', $CatRec);  // $this->set('categorie', $categorie);
    }
     public function add() {
        if ($this->request->is('post')) {
             $this->Category->create();
             if ($this->Category->validates()) {  // I think the validates will be done by itself on the save, you dont need to add it here. (Im not sure though)
           
             if ($this->Category->save($this->request->data)) {
                $this->Session->setFlash('Your Category has been saved.');
              //  $this->redirect(array('action' => 'index'));
            } else {
                $this->Session->setFlash('Unable to add your Category.');
            }
        }else {
                $this->Session->setFlash('Unable to validate.');
            }
       
        }
    }   
}

Category.php

<?php
class Category extends AppModel {
    public $validate = array(
        'Name' => array('rule' => 'notEmpty'), // 'name' => 'notEmpty',
        'Description' => array('rule' => 'notEmpty'), // 'description' => 'notEmpty',
        'Type' => array('rule' => 'notEmpty')  // 'type' => 'notEmpty'  no Capitals, no new array
    );
}

any help appreciated

Thomas 

and seeing your add.ctp would help also if all those changes dont work.

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