public function ToPersistedValue($FormattedGuid)
{
return parent::ToPersistedValue(substr($FormattedGuid, 14, 4) . substr($FormattedGuid, 9, 4) . substr($FormattedGuid, 19, 4) . substr($FormattedGuid, 0, 8) . substr($FormattedGuid, 24));
}