/**
  * Returns the content of all rows as an associative array
  *
  * @return array An array of rows.  Each element of the array is an associative array of data
  */
 public function getContentsAsRows()
 {
     $service = new Zend_Gdata_Spreadsheets($this->getHttpClient());
     return $service->getSpreadsheetListFeedContents($this);
 }