public void DeleteCustomersByAddress(string address)
        {
            using (RETAILContext context = new RETAILContext())
              {
            List<Customer> entities = context.Customers.AsQueryable().Where(c => c.Address == address).ToList();

            foreach (var entity in entities)
            {
              context.Set<Customer>().Remove(entity);
            }

            context.SaveChanges();
              }
        }
        public void DeleteAllCustomers()
        {
            using (RETAILContext context = new RETAILContext())
              {
            List<Customer> entities = context.Customers.AsQueryable().ToList();

            foreach (var entity in entities)
            {
              context.Set<Customer>().Remove(entity);
            }

            context.SaveChanges();

            //context.ExecuteStoreCommand("TRUNCATE TABLE [RETAIL].[STORE].[Customer]");
              }
        }
        public void InsertCustomer(DomainModels.Customer customer)
        {
            using (RETAILContext context = new RETAILContext())
              {
            Customer entity = Mapper.Map<DomainModels.Customer, Customer>(customer);
            context.Customers.Add(entity);
            context.SaveChanges();

            customer.Id = entity.Id;
              }
        }
        public void UpdateCustomer(DomainModels.Customer customer)
        {
            using (RETAILContext context = new RETAILContext())
              {
            Customer entity = context.Customers.AsQueryable().Single(c => c.Id == customer.Id);

            entity.Name = customer.Name;
            entity.Address = customer.Address;
            entity.Phone = customer.Phone;

            context.SaveChanges();
              }
        }