public BusinessLayer(IDataAuthentication idauth, IDataAccount idacc) { idau = idauth; idac = idacc; }
public ShoppingBusiness(IDataAuthentication idauth, IDataAccount idacc) { idau = idauth; idac = idacc; }
public BusinessLayer(IDataAccount idac, IDataAuthentication idau, AdminFunctions iadf) { _idac = idac; _idau = idau; _iadf = iadf; }