title: Unable to pushViewController iOS
body: <p>I am using storyboard in my app, <img src="https://i.imgur.com/DyH9ST4.png" alt="">:
  I have Button in my <code>View</code>, On click of button i want to navigate to new <code>View</code></p>
  
  <p>But when i click on button nothing happens,</p>
  
  <p>Here is my Code:</p>
  
  <pre><code>- (IBAction)JoinClicked:(id)sender{
  
      JoinWithViewController *detail_view_controller = [[JoinWithViewController alloc] initWithNibName:@"JoinWithViewController" bundle:nil];
  
      [self.navigationController pushViewController:detail_view_controller animated:YES];
  }
  </code></pre>
  
  <p>Where i am doing mistake , please help.</p>
  
  <p><strong>Thanks in advance.</strong></p>