public IEnumerable<JednaKategoriaModel> Get()
 {
     var model = new ListaKategoriiModel();
     var categoriesDataTable = WroBL.DAL.DatabaseUtils.EleentsToDataTable("select c.id,c.name,c.img_link from categories c left join cat2event c2e on c.id=c2e.categories left join \"EVENT\" e on e.id = c2e.\"EVENT\" where e.id is not null").AsEnumerable();
     model.ListaKategorii = (from item in categoriesDataTable
                             select new JednaKategoriaModel
                             {
                                 Id = item.Field<int>("id"),
                                 Nazwa = item.Field<string>("name"),
                                 LinkDoObrazka = item.Field<string>("img_link")
                             }).ToList();
     return model.ListaKategorii;
 }
        public ActionResult Kategorie()
        {
            var model = new ListaKategoriiModel();
            var categoriesDataTable = WroBL.DAL.DatabaseUtils.EleentsToDataTable("select id,name,img_link from categories").AsEnumerable();
            model.ListaKategorii = (from item in categoriesDataTable
                                    select new Models.JednaKategoriaModel
                                    {
                                        Id = item.Field<int>("id"),
                                        Nazwa = item.Field<string>("name"),
                                        LinkDoObrazka = item.Field<string>("img_link")
                                    }).ToList();

            return View(model);
        }