public static IEnumerable <TireBlackListItem> GetTireBlackList(string blackNumber, int type, PagerModel pager) { if ((type == 2 || (type == 4)) && !string.IsNullOrWhiteSpace(blackNumber)) { if (Guid.TryParse(blackNumber, out Guid value)) { blackNumber = value.ToString("D"); } } return(DalPattern.GetTireBlackList(blackNumber, type, pager)); }