private async void ThrowFromTeam(User selectedUser)
        {
            string name = selectedUser.Name;
            bool   isSure;

            isSure = await DisplayAlert("Uyarı", name + " kullanıcısını takımdan çıkarmak istediğinize emin misiniz?", "Evet", "Vazgeç");

            if (isSure == true)
            {
                await Navigation.PushPopupAsync(new AnimationPages.AnimationPopUpPage1_Waiting("İşleniyor"));

                string response = await service.ThrowFromTeam(selectedUser.Id);

                if (response != "Hata oluştu")
                {
                    //App.Current.MainPage = new NavigationPage(new IndexPageMain());
                    TeamPlayer          player = playerList.Where(x => x.UserId == selectedUser.Id).FirstOrDefault();
                    MyTeamPageViewModel model  = viewModels.Where(x => x.User.Id == selectedUser.Id).FirstOrDefault();
                    viewModels.Remove(model);
                    playerList.Remove(player);
                    colTeamPlayers.ItemsSource = null;
                    colTeamPlayers.ItemsSource = viewModels;
                    await Navigation.PopPopupAsync();
                }
            }
        }