public Customer(Customer other) : this()
 {
     this.CustomerID = other.CustomerID;
     this.CompanyName = other.CompanyName;
     this.CompanyName = other.ContactName;
     this.ContactTitle = other.ContactTitle;
     this.Address = other.Address;
     this.City = other.City;
     this.Region = other.Region;
     this.PostalCode = other.PostalCode;
     this.Country = other.Country;
     this.Phone = other.Phone;
     this.Fax = other.Fax;
 }
 private Customer ClearCustomer(Customer customer)
 {
     return new Customer(customer);
 }