core data swift xcode 6 question

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iOS

Xcode

Swift

I'm trying to display an items in the table but the app is saved in the core data without displayed can anyone know what the problem here because it's doesn't show that the app have any problem.

override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
    if segue.identifier == "edit" {
        let cell = sender as! UITableViewCell
        let indexPath = tableView.indexPathForCell(cell)
        let itemController: ViewController = segue.destinationViewController as! ViewController
        let nItem: ItemList = frc.objectAtIndexPath(indexPath!) as! ItemList
        itemController.nItem = nItem

here the code for the display the item to the new view controller.