//delete method
        public int deleteOwner(int id)
        {
            try
            {
                vessel_owner_ref vessel_owner_ref = OwnersService.getOwnerDB(id);  //get the existing vessel_owner_ref object to modify its status

                vessel_owner_ref.owner.owner_last_modified_date = DateTime.Now;
                vessel_owner_ref.owner.owner_last_modified_by   = HttpContext.Current.User.Identity.Name;
                vessel_owner_ref.owner.owner_status             = 0;

                return(OwnersService.deleteOwnerDB(id, vessel_owner_ref));
            }
            catch (Exception)
            {
                throw;
            }
        }