public void OnPost(string search, List <string> rating, float?minIMDB, float?maxIMDB) { Movies = MovieDatabase.All; Movies = MovieDatabase.SearchAndFilter(Movies, search, rating); if (minIMDB != null) { Movies = MovieDatabase.FilterMinRating(Movies, (float)minIMDB); } if (maxIMDB != null) { Movies = MovieDatabase.FilterMaxRating(Movies, (float)maxIMDB); } }