protected async override void OnAppearing()
{
base.OnAppearing();
MyListView.ItemsSource = await MaterialDA.GetAvailableMaterialsById(CollectorViewModel.Collector.MaterialCollection);
addedMaterialList.ItemsSource = await MaterialDA.GetMaterialsById(CollectorViewModel.Collector.MaterialCollection);
}
private async void GetAvailableMaterials()
{
MaterialList = await MaterialDA.GetMaterialsById(CollectorViewModel.Collector.MaterialCollection);
AvailableMaterialList = await MaterialDA.GetAvailableMaterialsById(CollectorViewModel.Collector.MaterialCollection);
if (MaterialList != null)
{
MaterialCount = MaterialList.Count;
}
else
{
MaterialCount = 0;
MaterialList = new ObservableCollection <Material>();
}
}