function ErrorNo()
 {
     if (empty($this->_connectionID)) {
         return @odbtp_last_error_state();
     }
     return @odbtp_last_error_state($this->_connectionID);
 }
 function ErrorNo()
 {
     if ($this->_errorCode !== false) {
         return $this->_errorCode;
     }
     if (empty($this->_connectionID)) {
         return @odbtp_last_error_state();
     }
     return @odbtp_last_error_state($this->_connectionID);
 }