private void _initiation() { full_list = RecipeDAO.getDataFromJson(""); favorite_list = RecipeDAO.getFavoriteList(); top_list = new ObservableCollection <Recipe>(); center_list = new ObservableCollection <Recipe>(); bottom_list = new ObservableCollection <Recipe>(); pagination = new VMPagination(); PaginationModel model = new PaginationModel(full_list.Count(), 12); pagination.seed(model); pagination.pagination.PropertyChanged += Pagination_PropertyChanged; processPage(null); }