/*     Set up the fetched results controller.*/// Create the fetch request for the entity.    NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];// Edit the entity name as appropriate.    NSEntityDescription *entity = [NSEntityDescription entityForName:@"Contact" inManagedObjectContext:self.managedObjectContext];    [fetchRequest setEntity:entity];

// Set the batch size to a suitable number.    [fetchRequest setFetchBatchSize:20];

// Edit the sort key as appropriate.//NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"GName" ascending:NO];//    NSSortDescriptor *sd1 = [NSSortDescriptor sortDescriptorWithKey:@"grp" ascending:YES comparator:^(id obja, id objb){//        Group *aa = obja;//        Group *bb = objb;//        NSNumber *aaa = aa.gid;//        NSNumber *bbb = bb.gid;//        return [aaa compare:bbb];//    }];//    NSSortDescriptor *sd2 = [NSSortDescriptor sortDescriptorWithKey:@"Online" ascending:YES comparator:^(id obja, id objb){//        NSNumber *aa = obja;//        NSNumber *bb = objb;//        return [aa compare:bb];//    }];

//    NSArray *ary = nil;//    NSArray *a = [ary sortedArrayUsingComparator:^(id obja, id objb){//        NSNumber *a = obja;//        NSNumber *b = objb;//        return [a compare:b];//    }];    NSSortDescriptor *sd1 = [NSSortDescriptor sortDescriptorWithKey:@"grp" ascending:YES comparator:^(id obja, id objb){        Group *ga = obja;        Group *gb = objb;return [ga.Name compare:gb.Name];    }];

//NSSortDescriptor *sd1 = [NSSortDescriptor sortDescriptorWithKey:@"GName" ascending:YES];

    NSSortDescriptor *sd2 = [NSSortDescriptor sortDescriptorWithKey:@"Online" ascending:YES];    NSArray *sortDescriptors = [[NSArray alloc] initWithObjects:sd1, sd2, nil];

    [fetchRequest setSortDescriptors:sortDescriptors];

// Edit the section name key path and cache name if appropriate.// nil for section name key path means "no sections".    NSFetchedResultsController *aFetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:fetchRequest managedObjectContext:self.managedObjectContext sectionNameKeyPath:@"grp" cacheName:nil];    aFetchedResultsController.delegate = self;    self.fetchedResultsController = aFetchedResultsController;

    [aFetchedResultsController release];    [fetchRequest release];// [sortDescriptor release];    [sortDescriptors release];

    NSError *error = nil;if (![fetchedResultsController_ performFetch:&error]) {/*         Replace this implementation with code to handle the error appropriately.

         abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development. If it is not possible to recover from the error, display an alert panel that instructs the user to quit the application by pressing the Home button.*/        NSLog(@"Unresolved error %@, %@", error, [error userInfo]);        abort();    }

NSFetchRequest *fr = [[NSFetchRequest alloc] init];

    NSEntityDescription *en = [NSEntityDescription entityForName:@"Group" inManagedObjectContext:self.managedObjectContext];    NSPredicate *p = [NSPredicate predicateWithFormat:@"Name=%@", @"GA"];    [fr setEntity:en];    [fr setPredicate:p];    NSArray *ary = [self.managedObjectContext executeFetchRequest:fr error:nil];if (ary.count>0) {        Group *g = [ary objectAtIndex:0];

        Contact *c = (Contact*)[NSEntityDescription insertNewObjectForEntityForName:@"Contact" inManagedObjectContext:self.managedObjectContext];        [self.managedObjectContext lock];        c.Passport = @"New Cnt";        c.GName = g.Name;        c.Online = [NSNumber numberWithInt:3];        [g addCntObject:c];        [self.managedObjectContext save:nil];        [self.managedObjectContext unlock];

//[self.fetchedResultsController performFetch:nil];//[self.tableView reloadData];    }