public function deleteprice()
    {
        $this->resetContentCache();

        $oDb = \OxidEsales\Eshop\Core\DatabaseProvider::getDb();
        $sPriceId = $oDb->quote(\OxidEsales\Eshop\Core\Registry::getConfig()->getRequestParameter("priceid"));
        $articleId = $this->getEditObjectId();
        $sId = $oDb->quote($articleId);
        $oDb->execute("delete from oxprice2article where oxid = {$sPriceId} and oxartid = {$sId}");

        $this->onArticleAmountPriceChange($articleId);
    }