C1QuickBooksOnlineCommand contains all the necessary information to fully specify a QuickBooksOnline command and execute it.

Automatically generates single-table commands used to reconcile changes made to a DataSet with the associated database. This is an abstract class that can only be inherited.

<xref href="C1.AdoNet.QuickBooksOnline.C1QuickBooksOnlineConnection" data-throw-if-not-resolved="false"></xref> represents a connection to a QuickBooksOnline server. 

The connection can be used to query the data hosted by the server or request modifications.

This class exposes specific properties to set up a connection for the C1DataConnector QuickBooksOnline provider.

Represents a set of data commands and a connection to a data source that are used to fill the DataSet and update the data source. This class cannot be inherited.

C1QuickBooksOnlineDataReader QuickBooksOnline implementation of DbDataReader.

Represents a set of methods for creating instances of a provider's implementation of the data source classes.

OAuthToken contains access token and refresh token.