function ErrorMsg()
 {
     if (empty($this->_connectionID)) {
         return @odbtp_last_error();
     }
     return @odbtp_last_error($this->_connectionID);
 }
	function ErrorMsg()
	{
		if ($this->_errorMsg !== false) return $this->_errorMsg;
		if (empty($this->_connectionID)) return @odbtp_last_error();
		return @odbtp_last_error($this->_connectionID);
	}