code: public function removeFromDB(){
      if (is_null($this->result)) {
        $this->fetchData();
      }
      if(count($this->result) > 0){
        if(!$this->result[0] instanceof Web2All_Table_SaveObject){
          throw new Exception("Web2All_Table_ObjectList->removeFromDB: Not a saveobject, you can't delete a non saveobject.");
        }
        foreach($this->result as $row){
          $row->deleteFromDB();
        }
      }
    }
docs: Method which removes all database table entries collected in this object.
  
  The table objects should extend the Web2All_Table_SaveObject class.
  
  @throws Exception