public async Task Init()
        {
            var list = await _zanr.Get <List <Zanr> >(null);

            ZanrList.Clear();
            foreach (var z in list)
            {
                ZanrList.Add(z);
            }
        }
        public async Task PrikazZanr()
        {
            var list = await _service.Get <IEnumerable <Zanr> >(null);

            ZanrList.Clear();
            foreach (var zanr in list)
            {
                ZanrList.Add(zanr);
            }
        }
        public async Task Init()
        {
            var list = await _apiServiceZanr.Get <List <Zanr> >(null);

            ZanrList.Clear();
            foreach (var g in list)
            {
                ZanrList.Add(g);
            }
        }