private bool DeleteFacClassReg(FacClassReg reg) { try { IFeatureDataSet fds = this._dsPipe.OpenFeatureDataset("DataSet_BIZ"); if (fds == null) { return(false); } IObjectClass oc = fds.OpenObjectClass("OC_FacilityClass"); if (oc == null) { return(false); } IQueryFilter filter = new QueryFilter(); filter.WhereClause = string.Format("FacClassCode = '{0}'", reg.FacClassCode); oc.Delete(filter); return(true); } catch (Exception ex) { return(false); } }