Like Delphi's other development platforms, Delphi for .NET offers a wide range of data access options for ASP.NET developers. These include support for the generic foundation class library (FCL) data access classes (ODBC and OleDb), dbExpress drivers, BDP for .NET providers, as well as support for all third-party solutions that support the ADO.NET data provider interface. (ADO.NET is the portion of the .NET FCL that applies to data access, storage, and manipulation.)
Fortunately, the choice of data provider for ASP.NET development is often uncomplicated. In most cases, you should use the data provider supplied by the publisher of the database. For Advantage, this is Advantage Data Provider for .NET, which from this point forward, I'll simply refer to as the Advantage Data Provider.
Because of the special capabilities of the Advantage Database Server itself, the Advantage Data Provider supports features unheard of in most other data providers. But there is a problem. You cannot begin a web page by dragging and dropping the Advantage Data Provider from Delphi's Data Explorer. Since Delphi's help tends to emphasize this approach, Advantage developers sometimes don't know where to begin.
Ideally, you should have a class, or set of classes—independent of the web pages on which their data is displayed—that perform data access.
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