public enum DataSet { DISTRICTS, CAMPUSES, BUILDINGS, ROOMS, DEFICIENCIES, SM_FIVE_YEAR_PLAN, SM_PROJECTS };

        private List<DataSet> GetDescendants(DataSet dataset)
        {
            switch (dataset)
            {
                case DataSet.DISTRICTS:
                    return new List<DataSet>() { DataSet.CAMPUSES, DataSet.BUILDINGS, DataSet.BUILDINGS, DataSet.ROOMS, DataSet.DEFICIENCIES, DataSet.SM_FIVE_YEAR_PLAN, DataSet.SM_PROJECTS };

                case DataSet.CAMPUSES:
                    return new List<DataSet>() { DataSet.BUILDINGS, DataSet.BUILDINGS, DataSet.ROOMS, DataSet.DEFICIENCIES, DataSet.SM_FIVE_YEAR_PLAN, DataSet.SM_PROJECTS };

                case DataSet.BUILDINGS:
                    return new List<DataSet>() { DataSet.ROOMS, DataSet.DEFICIENCIES, DataSet.SM_PROJECTS };

                case DataSet.ROOMS:             // fallthrough
                case DataSet.DEFICIENCIES:      // fallthrough
                case DataSet.SM_FIVE_YEAR_PLAN: // fallthrough
                case DataSet.SM_PROJECTS:
                    return new List<DataSet>();
            }
        }