Fire-and-Forget Communication
The first type of messaging we’ll consider is fire-and-forget methods, which are supported intrinsically by .NET Remoting and XML Web services. With fire-and-forget methods, the client sends a request message but the server never responds. Therefore, the remote method can’t set a ByRef parameter or return a value. In addition, if the remote method throws an unhandled exception, it won’t be propagated back to the client.
To create a fire-and-forget XML Web service method, you need to apply a SoapDocumentMethod attribute to the appropriate Web method and set the OneWay property to True. Example 8-1 shows an example.
Example 8-1. A one-way Web method
Imports System.Web.Services Imports System.Web.Services.Protocols Public ...
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