how to create back button in navigation bar

Question

I have 2 page. first is tableView and second is view when I to click on any cell go on to next page (view) in way modal segue. I want add back button in next page of navigation bar . this is my code in view page : ViewController.m

- (void)viewDidLoad {     [super viewDidLoad];     self.lable.text = obji.Name;     self.lable2.text = obji.Descript;      UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"Back" style:UIBarButtonItemStyleBordered target:self action:@selector(Back)];     self.navigationItem.leftBarButtonItem = backButton; }  - (IBAction)Back {     //I dont know that how return pervious page } 

Answer 1

As you said in your comment you use a modal controller

Add the following in viewWillappear

     UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"Back" style: UIBarButtonItemStyleBordered target:self action:@selector(Back)];      self.navigationItem.leftBarButtonItem = backButton; 

And in

- (IBAction)Back   {     [self dismissViewControllerAnimated:YES completion:nil]; // ios 6   }