title: UIRefreshControl not refreshing xml data
body: <p>Im new here and am stumped trying to add a pull to refresh control to update my xml table view. I'm getting the proper pull to refresh animation, but the data is not refreshing. Please help.</p>
  
  <pre><code>- (void)viewDidLoad {
      [super viewDidLoad];
      feeds = [[NSMutableArray alloc] init];
      NSURL *url = [NSURL URLWithString:@"http://www.PLACEHOLDER.rss.xml"];
      parser = [[NSXMLParser alloc] initWithContentsOfURL:url];
      [parser setDelegate:self];
      [parser setShouldResolveExternalEntities:NO];
      [parser parse];
      UIRefreshControl *refreshControl = [UIRefreshControl new];
      [refreshControl addTarget:self action:@selector(refresh:) 
          forControlEvents:UIControlEventValueChanged];
      refreshControl.attributedTitle = [[NSAttributedString alloc] initWithString:@"Pull 
          to refresh..."];
      self.refreshControl = refreshControl;
  
  }
  
  - (void)refresh:(UIRefreshControl *)sender {
      // ...refresh code
      NSURL *url = [NSURL URLWithString:@"http://www.PLACEHOLDER.rss.xml"];
      NSURLRequest *request = [NSURLRequest requestWithURL:url];
      (void)[[NSURLConnection alloc] initWithRequest:request delegate:self];
  
      [sender endRefreshing];
  }
  </code></pre>