Microsoft® .NET Distributed Applications: Integrating XML Web Services and .NET Remoting

The Order Submission XML Web Service

The OrderService provides the functionality for three tasks:

• It allows the client to download product information through its GetPricingDataSet method.

• It allows the client to submit a new order through the SubmitOrder method.

• It allows the internal client to register for notification through the RegisterNotifyQueue method.

The structure of the OrderService is shown here:

Public Class OrderService     Inherits System.Web.Services.WebService     Private DB As New DBComponent.TransactTables()     <WebMethod()> _     Public Function GetPricingDataSet() As DataSet         ’ (Code omitted.)     End Function     <WebMethod()> _     Public Function SubmitOrder(ByVal order As Order, _       ByVal customerCode As Guid) As OrderState ...