public ClientPurchaseInfo(ClientAddressInfo addressInfo)
 {
     this.BillingInfo  = addressInfo;
     this.ShippingInfo = addressInfo;
 }
 public ClientPurchaseInfo(ClientAddressInfo billingInfo, ClientAddressInfo shippingInfo)
 {
     this.BillingInfo  = billingInfo;
     this.ShippingInfo = shippingInfo;
 }