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search bar cancel button push to initial view controller

I have been searching and haven't been able to make it work.

TableviewcontrollerA segues a TableviewcontrollerB with searchbar as firstresponder

When user taps cancel, I want to go back to TableviewcontrollerA

I have tried quite a few things in the below method with no luck. What am I missing?

Thanks BTW - The segue is done on IB, not code

-(void) searchBarCancelButtonClicked:(UISearchBar *)searchBar{


}
-(void) searchBarCancelButtonClicked:(UISearchBar *)searchBar{
    [self.searchDisplayController setActive:NO animated:YES];
    self.navigationController popToViewController:UIViewControllerA animated:YES;
}

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