July 2005
Intermediate to advanced
1032 pages
27h 10m
English
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Understanding the ADO.NET Class Hierarchy
ADO.NET defines a bewildering number of classes, but Microsoft has done a good job of arranging them into a meaningful hierarchy. In this section, I'll briefly describe the most important ADO.NET classes. You'll see them in action in the remainder of this chapter.
NpgsqlConnection
This class represents a connection to a PostgreSQL database. You really can't do much with an NpgsqlConnection object other than give it to some other object. Other ADO.NET objects will use an NpgsqlConnection object to interact with a PostgreSQL database.
The most important property defined by an NpgsqlCommand object is the ConnectionString. The ConnectionString tells Npgsql how to connect to a PostgreSQL database, and it looks ...
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