Namespace: System.Data.Common
The System.Data.Common namespace contains classes shared by the .NET data providers. These classes provide a base for creating provider-specific implementations of data access functionality.
Classes
DbConnection
Represents an open connection to a data source.
DbCommand
Represents an SQL statement or stored procedure to execute against a data source.
DbParameter
Represents a parameter to a DbCommand and optionally, its mapping to a column for DbDataAdapter updates.
DbTransaction
Represents a transaction to be performed at a data source.
DbProviderFactory
Provides a set of methods for creating instances of a provider's implementation of the data source classes.
DbDataReader
Provides a way of reading a forward-only stream of rows from a data source.
DbDataAdapter
Serves as a bridge between a DataSet and a data source for retrieving and saving data.
DbCommandBuilder
Provides a base class for creating parameterized commands for updating a data source.