Hide the back button on navigation bar is iOS6

Question

want to hide the back button navigation bar, I have tried the below all statements but none of them worked for me

[self.navigationController.navigationItem setHidesBackButton:YES]; //1
[self.navigationController.navigationBar.backItem setHidesBackButton:YES]; //2
self.navigationController.navigationItem.hidesBackButton = TRUE;  //3
[self.navigationItem setHidesBackButton:YES animated:YES]; //4
 self.navigationItem.hidesBackButton = NO; //5

Answer 1

try this,

- (void)viewDidLoad
{
[super viewDidLoad];
self.navigationItem.leftBarButtonItem=nil;
self.navigationItem.hidesBackButton=YES;
}