public static bool DeleteCustomerBL(int deleteCustomerId) { bool customerDeleted = false; try { if (deleteCustomerId > 0) { CustomerDAL customerDAL = new CustomerDAL(); customerDeleted = customerDAL.DeleteCustomerDAL(deleteCustomerId); } else { throw new CustomerException("Invalid Customer Id"); } } catch (CustomerException) { throw; } catch (Exception ex) { throw ex; } return(customerDeleted); }