This is the object: _______________ @PersistenceCapable(identityType = IdentityType.APPLICATION, detachable = "true") public class Client implements java.io.Serializable {
........ @Persistent private ArrayList<OneService> serviceRecords; @Persistent private ArrayList<OneService> serviceNow; @Persistent private String remarks; ...... public ArrayList<OneService> getServiceRecords() { return serviceRecords; } public void setServiceRecords(ArrayList<OneService> serviceRecords) { this.serviceRecords.clear(); for (int i = 0; i < serviceRecords.size(); i++) { this.serviceRecords.add(serviceRecords.get(i)); } } public ArrayList<OneService> getServiceNow() { return serviceNow; } public void setServiceNow(ArrayList<OneService> serviceNow) { this.serviceNow.clear(); for (int i = 0; i < serviceRecords.size(); i++) { this.serviceNow.add(serviceNow.get(i)); when i try to make this kind of Object pesistent like this: _______________________________________________ ArrayList<OneService> serviceNow = new ArrayList<OneService>(); serviceNow.add(oneservice); client.setServiceNow(serviceNow); _______________________________________________ the ArrayList "serviceNow" in the Object doesn't contains another object "oneservice" i want to add into the ArrayList"serviceNow". p.s. my english is bad and if it makes u confused because of my poor expression,i beg your pardon. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=.