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Editorial Team
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Asked: 2026-06-04T04:14:06+00:00

I am trying to write data to a table in the database. I finally

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I am trying to write data to a table in the database. I finally set up my model but I can not write data to it.

I keep getting this error:

Invalid method Turnkeye_Adminform_Model_Mysql4_Iaso::beginTransaction(Array
(
)
)

Trace:
#0 E:\projects\magento\app\code\core\Mage\Core\Model\Abstract.php(313): Varien_Object->__call('beginTransactio...', Array)
#1 E:\projects\magento\app\code\core\Mage\Core\Model\Abstract.php(313): Turnkeye_Adminform_Model_Mysql4_Iaso->beginTransaction()
#2 E:\projects\magento\app\code\community\Turnkeye\Adminform\controllers\Adminhtml\AdminformController.php(47): Mage_Core_Model_Abstract->save()
#3 E:\projects\magento\app\code\core\Mage\Core\Controller\Varien\Action.php(420): Turnkeye_Adminform_Adminhtml_AdminformController->saveAction()
#4 E:\projects\magento\app\code\core\Mage\Core\Controller\Varien\Router\Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('save')
#5 E:\projects\magento\app\code\core\Mage\Core\Controller\Varien\Front.php(176): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#6 E:\projects\magento\app\code\core\Mage\Core\Model\App.php(347): Mage_Core_Controller_Varien_Front->dispatch()
#7 E:\projects\magento\app\Mage.php(640): Mage_Core_Model_App->run(Array)
#8 E:\projects\magento\index.php(80): Mage::run('', 'store')
#9 {main}

Because of the amount of code I have posted it to pastebin:

controllers/Adminhtml/AdminformController.php

etc/config.xml

etc/adminhtml.xml

Model/iaso.php

Model/Mysql4/Iaso.php

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1 Answer

  1. Editorial Team

    This does not work because your code defines

    Turnkeye_Adminform_Model_Mysql4_Iaso extends Mage_Core_Model_Abstract

    which is wrong.

    You need to extend from a resource model, that is from a class, which is extending the abstract class Mage_Core_Model_Resource_Abstract. That’s where beginTransaction() is defined.

    Usually this is done by extending from Mage_Core_Model_Mysql4_Abstract, because there are some more methods standard mySQL resources use in Magento and these are defined thru:

    Mage_Core_Model_Mysql4_Abstract extends
   Mage_Core_Model_Resource_Db_Abstract extends
       Mage_Core_Model_Resource_Abstract

    So changing your definition to

    Turnkeye_Adminform_Model_Mysql4_Iaso extends Mage_Core_Model_Mysql4_Abstract

    should bring you back on the right track.

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