public AdminController(IAdminBLL stub, IKundeBLL kstub, IProduktBLL pstub)
{
_aBLL = stub;
_kBLL = kstub;
_pBLL = pstub;
}
public AdminController()
{
_aBLL = new AdminBLL();
_kBLL = new KundeBLL();
_pBLL = new ProduktBLL();
}