public static ResponseViewModel <List <GetCustomerById_Result> > GetCustomersById(int id)
 {
     using (EcommerceEntities entities = new EcommerceEntities())
     {
         ResponseViewModel <List <GetCustomerById_Result> > response = new ResponseViewModel <List <GetCustomerById_Result> >();
         List <GetCustomerById_Result> result = entities.GetCustomerById(id).ToList();
         response.Data = result;
         return(response);
     }
 }