ADO.NET is part of the new .NET framework, and it is likely that most new programs from a certain point in your company's history will be written to use .NET. If you're a programmer of data consumer programs, you have choices that are analogous to those who write data providers (see Chapter 8). Your choices are as follows:
Continue to use your existing data access API while migrating your programs to use the rest of the .NET framework classes.
Convert your data access to ADO.NET as you convert the rest of the program.
Although conversion to ADO.NET is most likely, ADO.NET currently provides only the most-used subset of data access functionality. Some functionality, such as server cursors and in-place resultset updating, ...