JDBC Update Problem

Hi!
I've just been experimenting with modifications to an MS Access database via Java methods (as opposed to sending SQL statements). Though deletion works fine, I get ODBC driver error messages when I attempt to update or insert. Is this because the JDBC-ODBC bridge driver does not support these methods for an Access database? The relevan section of code is shown below.
Thanks in anticipation.
Jan
//*** ONLY THE DELETION WORKS! ACCESS GENERATES ODBC     ***
//*** DRIVER ERROR MESSAGE FOR UPDATE AND INSERTION!!!     ***
/*      //First the update...
     results.absolute(2);//Move to row 2 of ResultSet.
     results.updateFloat("balance", 42.55f);
     results.updateRow();
     //Now the insertion...
     results.moveToInsertRow();
     results.updateInt("acctNum", 999999);
     results.updateString("surname", "Harrison");
     results.updateString("firstNames", "Christine Dawn");
     results.updateFloat("balance", 2500f);
     results.insertRow();
     //Finally, the deletion...
     results.absolute(3); //Move to row 3.
     results.deleteRow();

Cross-posted and answered at http://forum.java.sun.com/thread.jsp?forum=4&thread=266331

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