private void btnRemoveAllSubject_Click(object sender, RoutedEventArgs e) { foreach (var item in SelectedSubjectList) { UnSelectedSubjectList = UnSelectedSubjectList.Add(item); SelectedSubjectList = SelectedSubjectList.Remove(item); } }
private void btnRemoveSelectedSingleSubject_Click(object sender, RoutedEventArgs e) { var selectedItems = gvClassSubjectSelected.SelectedItems; if (selectedItems == null) { return; } for (int i = 0; i < selectedItems.Count; i++) { Subject item = (Subject)selectedItems[i]; UnSelectedSubjectList = UnSelectedSubjectList.Add(item); SelectedSubjectList = SelectedSubjectList.Remove(item); } }