public boolean buildingstructureDel(int structureId) {
   // TODO Auto-generated method stub
   BuildingStructure BS = new BuildingStructure();
   BS.setStructureId(structureId);
   hds.delete(BS);
   return true;
 }
 public boolean buildingstructureUpdate(int structureId, String structureName) {
   // TODO Auto-generated method stub
   BuildingStructure BS = new BuildingStructure();
   BS.setStructureId(structureId);
   BS.setStructureName(structureName);
   hds.update(BS);
   return true;
 }