Segue not getting selected row number

Question

I am passing data from a table view controller to a detail view. I tried using indexPath.row directly in my prepareForSegue method, however it displays

Answer 1

Swift 3 update:

override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
    let selectedIndex = tableView.indexPath(for: sender as! UITableViewCell)!
    // Do your actual preparing here...
}