public function insert($row)
{
$entry = new \SimpleXMLElement("\n <entry\n xmlns=\"http://www.w3.org/2005/Atom\"\n xmlns:gsx=\"http://schemas.google.com/spreadsheets/2006/extended\">\n </entry>\n ");
foreach ($row as $colName => $value) {
$entry->addChild("xmlns:gsx:{$colName}", $value);
}
ServiceRequestFactory::getInstance()->post($this->getPostUrl(), $entry->asXML());
}