DLOCK</a>,
         signaling that any enclosing transaction should be aborted.  If the
         application is already intending to abort the transaction, this error
         should be ignored, and the application should proceed.
    </p>
      <p>
         After the <code class="methodname">Dbc::close()</code> method has been called, regardless of its return value,
         you can not use the cursor handle again.
    </p>
      <p>
	It is not required to close the cursor explicitly before closing the dat