Why does this applied science, which saves work and makes life easier, bring us so little happiness? The simple answer runs: Because we have not yet learned to make sensible use of it.
Now that you know how to build and invoke Web services, you'll want to do something useful with them. The most common applications for Web services involve moving data in and out of data sources on the intranet or Internet. This chapter explains your options for dealing with data in .NET Web services, including how to use ADO.NET DataSets, arrays, and your own custom classes.