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POHow do I get Attributes from Core Data into an Array for - iPhone SDK
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copied!<p>I'm trying to retrieve data from Core Data and put it into a Mutable Array</p> <p>I have an Entity called 'Stock' and in Properties, attributes called : code, price & description...</p> <p>How do I get the data stored in these attributes into a simple Mutable Array?</p> <hr> <p>I've added this code...</p> <pre><code>NSMutableArray *array = [[NSMutableArray alloc]init]; [array addObject:[stock valueForKey:@"code"]]; </code></pre> <p>and I get this error...</p> <pre><code>'-[NSCFArray insertObject:atIndex:]: attempt to insert nil' </code></pre> <p>I have a 'Managed Object Class' called 'Stock' and declared called stock. Am I missing something?</p> <hr> <p>If I do this in the <code>-cellForRowAtIndexPath</code>...</p> <pre><code>Stock *stock1 = [fetchedResultsController objectAtIndexPath:indexPath]; array = [[NSMutableArray alloc] init]; [array addObject:stock1.code]; NSLog(@"Filtered List is? %@", array); </code></pre> <p>In the console I can see these 2 items</p> <pre><code>'The Filtered array is 810005' 'The Filtered array is 810007 </code></pre> <p>'</p> <p>What must I do to get these items(810005 & 810007) into an array set up in the <code>-viewDidLoad</code> method? Like it does in the <code>-cellForRowAtIndexPath</code>?</p> <h2>Update</h2> <p>Hi Marcus,</p> <p>Finally got it working (well, 80%)</p> <p>I put this in the <code>-cellForRowAtIndexPath</code></p> <pre><code>Stock *product = nil; if (tableView == self.searchDisplayController.searchResultsTableView) { filteredListContent = [NSMutableArray arrayWithObjects:stock1.code, nil]; product = [self.filteredListContent objectAtIndex:indexPath.row]; [self configureFilteredCell:cell atIndexPath:indexPath]; [filteredListContent objectAtIndex:indexPath.row]; NSLog(@"Filtered List Array List is? %@", stock1.code); } else { listContent = [NSMutableArray arrayWithObjects:stock1.code, nil]; [self configureCell:cell atIndexPath:indexPath]; NSLog(@"List Array List is? %@", stock1.code); } </code></pre> <p>Then I used this code in the scope</p> <pre><code>- (void)filterContentForSearchText:(NSString*)searchText scope:(NSString*)scope { self.savedSearchTerm = searchText; if (searchText !=nil) { NSPredicate *predicate =[NSPredicate predicateWithFormat:@"code beginsWith[cd] %@", searchText]; [fetchedResultsController.fetchRequest setPredicate:predicate]; } else { NSPredicate *predicate =[NSPredicate predicateWithFormat:@"code contains[cd] %@", searchText]; [fetchedResultsController.fetchRequest setPredicate:predicate]; [self.tableView reloadData]; } NSError *error = nil; if (![[self fetchedResultsController] performFetch:&error]) { // Handle error NSLog(@"Unresolved error %@, %@", error, [error userInfo]); exit(-1); // Fail } [self.tableView reloadData]; </code></pre> <p>Everything is filtering fine but when I hit cancel on the search, it's not reloading the original data...</p> <p>I won't be defeated...!!</p> <p>Thanx</p>

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