/**
* Deletes all associated DatagridColumnPreferences
* @return void
*/
public function DeleteAllDatagridColumnPreferences()
{
if (is_null($this->intDatagridId)) {
throw new QUndefinedPrimaryKeyException('Unable to call UnassociateDatagridColumnPreference on this unsaved Datagrid.');
}
// Get the Database Object for this Class
$objDatabase = Datagrid::GetDatabase();
// Journaling
if ($objDatabase->JournalingDatabase) {
foreach (DatagridColumnPreference::LoadArrayByDatagridId($this->intDatagridId) as $objDatagridColumnPreference) {
$objDatagridColumnPreference->Journal('DELETE');
}
}
// Perform the SQL Query
$objDatabase->NonQuery('
DELETE FROM
`datagrid_column_preference`
WHERE
`datagrid_id` = ' . $objDatabase->SqlVariable($this->intDatagridId) . '
');
}