Navigation bar not visible on new contact page

Question

I want to show new contact page on button click I have written this code within action button

{  
    ABNewPersonViewController *abnewpersonviewcontroller = [[ABNewPersonViewController alloc] init];   
    [self.navigationController pushViewController:abnewpersonviewcontroller animated:YES];
    [newPersonController release];
 }   

this code succesfully reach me to the new contact page but the problem is navigation bar not shown onto the new contact page in which i can save record and also have cancel button on it kindly tell me how I can display the navigation on new contact page when I click on action button

Answer 1

use this

ABNewPersonViewController *abnewpersonviewcontroller = [[ABNewPersonViewController alloc] init]; 
self.navigationController.navigationBarHidden = NO;
[self.navigationController pushViewController:abnewpersonviewcontroller animated:YES];
[newPersonController release];

Answer 2

    ABNewPersonViewController *picker =[ABNewPersonViewController new];
    UINavigationController *nc = [[UINavigationController alloc] initWithRootViewController:picker];
    picker.newPersonViewDelegate =self;
    [self presentViewController:nc animated:YES completion:nil];