Using DbProviderFactory
The CData ADO.NET Provider for QuickBooks Online implements the QuickBooksOnlineProviderFactory class to enable you to write generic data access code to QuickBooks Online through the ADO.NET base classes.
Creating Data Access Objects with QuickBooksOnlineProviderFactory
The following sections show how to use the QuickBooksOnlineProviderFactory class to create objects like QuickBooksOnlineConnection, QuickBooksOnlineCommand, and QuickBooksOnlineDataAdapter in a generic way.
Register and Configure DbConnections
Register the provider to the configuration context and define the DbProviderFactory and DbConnection objects. See Creating DbConnections for a guide.
Querying Using DbCommands
Executing DbCommands describes how to use an existing DbProviderFactory and DbConnection object to execute queries to QuickBooks Online.