ADO.NET Programming in Visual Basic™ .NET

Terms and Definitions

Since VB 6 was not an object-oriented language, you may not be familiar with some of the terms. Let’s begin with definitions: .

• Class— A programming entity that contains members and methods for accessing the members. A class becomes a data type so that identifiers can be declared that reference instances of the class. The class is not an object; it is the definition of an object. Classes can inherit from other classes and can be inherited by other classes.

• Object— An instance of a class. Once a class is declared and instantiated it becomes an object. There can be many objects of the same class.

• Structure— A structure is similar to a class in that it can contain members and methods, but it cannot be inherited. It is also ...