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copied!<p>Not sure if I understand your question completely, but I do something similar in my app and here's how I get it to work:</p> <p>Firstly, the fetchedResultsController method, where I set the sort descriptions and predicates based on what I am trying to do. In this case I want to sort movie titles by release date THEN by name. Then with my predicate I grab entities of a specific 'type' and within a certain 'releaseDate' range.</p> <p>In my fetchresultscontroller definition, you set the sectionNameKeyPath to "releaseDate" so my section headers will be based on a date.</p> <pre><code>- (NSFetchedResultsController *)fetchedResultsController { if (fetchedResultsController_ != nil) { return fetchedResultsController_; } NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init]; NSSortDescriptor *sortByReleaseDate = [[NSSortDescriptor alloc] initWithKey:@"releaseDate" ascending:NO]; NSSortDescriptor *sortByName = [[NSSortDescriptor alloc] initWithKey:@"title" ascending:YES]; NSArray *sortDescriptors = [[NSArray alloc] initWithObjects:sortByReleaseDate,sortByName, nil]; [fetchRequest setSortDescriptors:sortDescriptors]; [sortDescriptors release]; [sortByName release]; [sortByReleaseDate release]; NSPredicate *predicate = [NSPredicate predicateWithFormat:@"(type == 'Movies') AND (releaseDate <= %@) AND (releaseDate >= %@)", [NSDate date], [NSDate dateWithTimeIntervalSinceNow:kOneDayTimeInterval*-30]]; [fetchRequest setPredicate:predicate]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"Movie" inManagedObjectContext:self.managedObjectContext]; [fetchRequest setEntity:entity]; NSFetchedResultsController *aFetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:fetchRequest managedObjectContext:self.managedObjectContext sectionNameKeyPath:@"releaseDate" cacheName:nil]; ...// Perform and return fetch here, error handling etc... return fetchedResultsController_; } </code></pre> <p>Then in my table view data source delegate methods, I return the actual title for each header after transforming my NSDate into NSString (remember you have to return NSString for a tableview header title.</p> <pre><code>- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { NSString *rawDateStr = [[[self.fetchedResultsController sections] objectAtIndex:section] name]; //convert default date string to NSDate... NSDateFormatter *formatter = [[[NSDateFormatter alloc] init] autorelease]; [formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss ZZ"]; NSDate *date = [formatter dateFromString:rawDateStr]; //convert NSDate to format we want... [formatter setDateFormat:@"d MMMM yyyy"]; NSString *formattedDateStr = [formatter stringFromDate:date]; return formattedDateStr; } </code></pre> <p>So if I wanted to change the way my data is being displayed to be organised by titleName for instance, I'd change my fetchedResultsController object to:</p> <pre><code>NSFetchedResultsController *aFetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:fetchRequest managedObjectContext:self.managedObjectContext sectionNameKeyPath:@"titleName" cacheName:nil]; </code></pre> <p>And modify my tableview:titleForHeaderInSection: data source method to simply return the titleName (which is already a string):</p> <pre><code> - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { return [[[self.fetchedResultsController sections] objectAtIndex:section] name]; } </code></pre> <p>I hope this helps you find a solution to your specific problem.</p> <p>Cheers, Rog</p>

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