public void RenameNoteBook(WordNoteViewModel viewmodelitem)
 {
     WordNoteBookHelper.DeleteByID(viewmodelitem.ID);
     WordNoteViewModelCollection.Remove(viewmodelitem);
 }
 public void Delete(WordNoteViewModel viewmodelitem)
 {
     WordNoteHelper.Delete(viewmodelitem.ID);
     WordNoteViewModelCollection.Remove(viewmodelitem);
 }