private void SetupRecyClerView()
 {
     myRecyclerView.SetLayoutManager(new Android.Support.V7.Widget.LinearLayoutManager(myRecyclerView.Context));
     adapter = new AluminiAdapter(AluminiList);
     adapter.DeleteItemClick += Adapter_DeleteItemClick;
     adapter.ItemLongClick   += Adapter_ItemLongClick;
     myRecyclerView.SetAdapter(adapter);
 }
        private void SearchText_TextChanged(object sender, Android.Text.TextChangedEventArgs e)
        {
            List <Alumini> SearchResult =
                (from alumini in AluminiList
                 where alumini.FullName.ToLower().Contains(searchText.Text.ToLower()) || alumini.Set.ToLower().Contains(searchText.Text.ToLower()) ||
                 alumini.Department.ToLower().Contains(searchText.Text.ToLower()) || alumini.Status.ToLower().Contains(searchText.Text.ToLower())
                 select alumini).ToList();

            adapter = new AluminiAdapter(SearchResult);
            myRecyclerView.SetAdapter(adapter);
        }