public IActionResult Index(int kullaniciId)
 {
     _entityListModel = new EntityListModel
     {
         kullanicilar = _uyedetayService.GetAll(),
         dersler      = _dersService.GetAll(),
         roller       = _rolService.GetAll(),
         sinavlar     = _sinavService.GetAll(),
         temalar      = _temaService.GetAll(),
         yetkiler     = _yetkiService.GetAll(),
         AdminID      = kullaniciId
     };
     return(View(_entityListModel));
 }