humilation

yestersday after work i went there to get some few things then as i was about to exit as they use to doors i was asked which side i paid at then i was told to use the entrance on the main rd which was inconviencing me because the other side was at the taxi rank side and the lady instructed the security not to let me out, my items were held, i was push by the security, humilated infront of the customers as everyone thought i has stolen something my bread was squashed the lady by the name sisusa insulted me and repeatatley told the security not to let me out on that exit and i asked her why are they not putting up a sign and she told me she will not be told by me the security was doing his job as instructed but the sisusa lady at spar spargs voilated my rights as a cunsumer im not happy at all my receipt no was 2244 till no 3 cashier nolundi