title: How can I insert row in a table?
body: <p>I'm new in objective-c. I have a tableView with 3 rows and 1 section. Can you help me how to add row with some text in a table by pressing button (addCity)?</p>
  
  <pre><code>- (void)viewDidLoad {
      [super viewDidLoad];
      m_bg.image = [UIImage imageNamed:[WeatherAppDelegate isNight]  ? @"SettingsBackNight.png" : @"SettingsBackDay.png" ];
      tableView.layer.cornerRadius = 10;
      m_scrollView.layer.cornerRadius = 10;
      [m_scrollView setContentSize:CGSizeMake(tableView.frame.size.width, tableView.frame.size.height)];
      dataArray = [[NSMutableArray alloc] initWithObjects:@"Moscow", @"London", @"Paris", nil];
  
  }
  
  
  - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
  {
      return 1;
  }
  
  
  - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
  {
      return [dataArray count];
  }
  
  
  - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
  {
      static NSString *MyIdentifier = @"MyIdentifier";
      UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:MyIdentifier];
  
      if (cell == nil) {
          cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:MyIdentifier] autorelease];
      }
  
      [cell.textLabel setText: [dataArray objectAtIndex:indexPath.row]];
      return cell;
  }
  
  
  -(IBAction)addCity:(id)sender
  {
      [dataArray addObject:@"City"];
      NSArray *paths = [NSArray arrayWithObject:[NSIndexPath indexPathForRow:[dataArray count]-1 inSection:1]];
      [[self tableView] insertRowsAtIndexPaths:paths withRowAnimation:UITableViewRowAnimationTop];
      [tableView reloadData];
  }
  </code></pre>