This topic presents a brief description of the classes and components included in dotConnect for DB2. Click on the name of each component for more information.

Core ADO.NET Classes

Class	Description
DB2Connection	Establishes a connection to DB2 database and manages transactions.
DB2Command	Executes SQL statements and stored procedures at DB2 database.
DB2DataReader	Exposes and reads a forward-only stream of data from DB2 database.
DB2DataAdapter	Populates a DataSet and resolves updates with DB2 database.
DB2Transaction	Starts, commits, or rolls back server transactions.
DB2Parameter	Represents input, output, and return value parameters for commands.
DB2Exception	Represents an error encountered at DB2 database. For an error encountered at the client, dotConnect for DB2 throws a .NET Framework exception.

Complementary ADO.NET Classes

Class	Description
DB2CommandBuilder	A helper object that automatically generates command properties of DB2DataAdapter and populates the DB2Parameter collection of DB2Command object.
DB2ConnectionStringBuilder	Constructs a connection string by assigning values to appropriate properties.
DB2DataSourceEnumerator	Retrieves list of available servers in the network.
DB2DataSource	Enables flexible data binding for ASP.NET applications.

dotConnect for DB2 Advanced Classes

Class	Description
DB2DataTable	Provides all of the functionality needed to retrieve and manipulate data from a DB2 server data source. Combines connected and disconnected data access models.
DB2DataSet	Represents typed and untyped DB2-specific datasets. Bases on DB2DataTable objects to build the schema.
DataLink	Serves to establish flexible cross-form data binding.

dotConnect for DB2 Auxiliary Classes

Class	Description
DB2Script	Serves to execute series of SQL statements.
DB2Loader	Serves to load external data into the DB2 database.
DB2Error	Represents an error, returned by the DB2 server.
DB2Monitor	Serves to monitor dynamic SQL execution in applications that use dotConnect for DB2.