To delete a row/cell from table view, you need to call the deleteRowsAtIndexPaths:withRowAnimation:
method on your UITableView
instance.
NSIndexPath *previousPath = [NSIndexPath indexPathForRow:selectedRowIndex1.integerValue-1 inSection:0];
[self.yourTableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:previousPath] withRowAnimation:UITableViewRowAnimationFade];
This will update the UI, but remember to remove that row from your data source as well. This will ensure it is deleted completely.
Hope that helps!