May 2002
Beginner to intermediate
560 pages
11h 36m
English
Content preview from Essential ADO.NETBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
4.2. The DataSet Object Model
The object model begins with DataSet as the highest-level class and is collection-based. The DataSet hierarchy and its major collections are shown in Figure 4-1 (not all collections and classes are shown in the diagram). Here's a synopsis of the classes:
DataSet: High-level container class
InternalDataCollectionBase: Base for collection classes
Constraint and ConstraintCollection: Data constraints to ensure table and inter-table consistency
DataColumn and DataColumnCollection: Relational columns (attribute is the correct relational term, not to be confused with XML's attributes)
DataRelation and DataRelationCollection: Relations between two tables to ensure data consistency
DataRow and DataRowCollection: Relational tuples ...