- (NSIndexPath *)tableView:(UITableView *)tv willSelectRowAtIndexPath:(NSIndexPath *)path
{
    // Determine if row is selectable based on the NSIndexPath.

    if (rowIsSelectable)
    {
        return path;
    }

    return nil;
}

[tableView deselectRowAtIndexPath:[tableView indexPathForSelectedRow] animated:NO];

- (void)setSelectable:(BOOL)enabled {
    [self setSelectionStyle:UITableViewCellSelectionStyleNone];
    [self setUserInteractionEnabled:enabled];
}

- (BOOL)isSelectable {
    BOOL disabled = [self selectionStyle]==UITableViewCellSelectionStyleNone &&
                     [self isUserInteractionEnabled];
    return ! disabled;
}

self.myTableView.allowsSelection = NO;