The documentation references handling errors after redirect: https://octobercms.com/docs/services/validation#working-with-error-messages

But I'm using ajax in a component, any better way to do this?

Right now I'm doing this in the component:

if ($validator->fails()) {
        $result = "Oops, errors found: <br>";
        // var_dump($validator->messages());
        foreach ($messages->all(':message<br>') as $message) 
        {
            $result .= $message;                
        }
        $this->page['result'] = $result;
        $this->page['success'] = false;
        return;
    }

With this this in the view:

{% if result %}
<div id="result">{{ result }}</div>
{% endif %}

Any better method or example someone can point me to? Thanks! Seth

A simpler way is to call your model validate() method from your AJAX method handler. E.g.:

    public function onSomething($recordId = null)
    {
        $model = $this->formFindModelObject($recordId);
        $model->validate(); // this will do the heavy lifting for you
    }