public int InsertData(DECustomer customer) { DALCustomer obj_DALCustomer = new DALCustomer(); int int_Result; if (customer.Customer_Id == 0) { int_Result = obj_DALCustomer.InsertData(customer); } else { int_Result = obj_DALCustomer.UpdateData(customer); } obj_DALCustomer = null; return(int_Result); }