Creating and Consuming Web Services in Visual Basic®

Using the SOAP Toolkit on the Client

The SOAP Toolkit allows for clients to use two interfaces to access data. The high-level interface reads in the WSDL file and, based on how you call the methods, just knows what to do. It also allows for low-level interaction where you craft the entire SOAP message and handle the response. You can also create custom type mappers to handle data that you want the high-level interface to be able to handle. As you may have guessed after reading the last section, a custom type mapper uses the low-level interface to make the high-level one easier to work with.

In this section, we will write four different functions that use the high-level interface, a customer type mapper, and the low level interface. All of this ...