myClient.setAutoCommit(false);
String firstName = request.getParameter("firstName");
if (firstName != null) myClient.setFirstName(firstName);
String lastName = request.getParameter("lastName");
if (lastName != null) myClient.setLastName(lastName);
String phone = request.getParameter("phone");
if (phone != null) myClient.setPhone(phone);
myClient.commit();
myClient.setAutoCommit(true);
