Create an instance variable _lastClickedRow
Set it with tableview delegate like below. And when you click the to "Get Row" button use _lastClickedRow.
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
_lastClickedRow = indexPath.row;
}
- (IBAction)buttonGetNumber:(id)sender {
NSLog(@"%d" , _lastClickedRow);
}