public StockExchangeService(IStockExchangeRepository repo, IMapper mapper)
 {
     repository  = repo;
     this.mapper = mapper;
 }
 public StockExchangeController(IStockExchangeRepository <StockExchange> repository)
 {
     this.repository = repository;
 }
 public StockExchangeService(IStockExchangeRepository _userRepo)
 {
     this.seRepo = _userRepo;
 }