B. Creating a .NET Managed Data Provider
Chapter 3 DESCRIBED how to use database providers and demonstrated how to create a new one. A prerequisite for creating a database provider is the existence of a .NET managed data provider that provides an implementation for the interfaces that need to be returned for the virtual methods defined in the abstract Database base class. For example, the SqlDatabase class derives from the Database class and must return a class that implements the IDataReader for the virtual ExecuteReader method. It accomplishes this by using the SqlCommand and SqlDataReader classes that are provided by the .NET managed data provider for Microsoft SQL Server.
Listings 3-4 and 3-5 (in Chapter 3 ) provided examples for some of ...
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