public KundeListviewSearchDialog(MainActivity activity, string title, EditText edTarget,StateFragmentArtikelPreisInfo state): base(activity)
 {
     _activity = activity;  
     _title = title;
     _edTarget = edTarget;
     _state = state;
 }
 public ArtikelPreisInfoFragment(int layoutId, MainActivity activity, StateFragmentArtikelPreisInfo stateFragment)
 {
     //ansprechpartnern = ansprechpartnern;
     _stateFragment = stateFragment;
     _activity = activity;
     this.layoutId = layoutId;
 }