In this section, I will demonstrate the process of creating three types of Web Services. One will be a simple Web Service that returns the sum of two numbers. The second one will return a DataSet containing a table from the Northwind database. A third will demonstrate the use of the [WebMethod] attribute.
For the most part, creating the initial files for the Web Service is a step-by-step process when using the wizard from Delphi for .NET.
Select File, New, Other from the main menu to launch the New Items dialog box.
Select the Item Category, Delphi ASP Projects.