EntityConnection Class

Definition

Namespace:

System.Data.Entity.Core.EntityClient

Assembly:

EntityFramework.dll

Class representing a connection for the conceptual layer. An entity connection may only be initialized once (by opening the connection). It is subsequently not possible to change the connection string, attach a new store connection, or change the store connection string.

public class EntityConnection : System.Data.Common.DbConnection

type EntityConnection = class
    inherit DbConnection

Public Class EntityConnection
Inherits DbConnection

Inheritance

DbConnection

EntityConnection

Constructors

EntityConnection()	Initializes a new instance of the EntityConnection class.
EntityConnection(MetadataWorkspace, DbConnection, Boolean)	Constructs the EntityConnection from Metadata loaded in memory
EntityConnection(MetadataWorkspace, DbConnection)	Initializes a new instance of the EntityConnection class with a specified MetadataWorkspace and DbConnection.
EntityConnection(String)	Initializes a new instance of the EntityConnection class, based on the connection string.

Properties

ConnectionString	Gets or sets the EntityConnection connection string.
ConnectionTimeout	Gets the number of seconds to wait when attempting to establish a connection before ending the attempt and generating an error.
CurrentTransaction	Gets the current transaction that this connection is enlisted in. May be null.
Database	Gets the name of the current database, or the database that will be used after a connection is opened.
DataSource	Gets the name or network address of the data source to connect to.
DbProviderFactory	Gets the provider factory associated with EntityConnection
ServerVersion	Gets a string that contains the version of the data source to which the client is connected.
State	Gets the state of the EntityConnection, which is set up to track the state of the underlying database connection that is wrapped by this EntityConnection.
StoreConnection	Provides access to the underlying data source connection that is used by the EntityConnection object.

Methods

BeginDbTransaction(IsolationLevel)	Begins a database transaction
BeginTransaction()	Begins a transaction by using the underlying provider.
BeginTransaction(IsolationLevel)	Begins a transaction with the specified isolation level by using the underlying provider.
ChangeDatabase(String)	Not supported.
Close()	Closes the connection to the database.
CreateCommand()	Creates a new instance of an EntityCommand, with the Connection set to this EntityConnection .
CreateDbCommand()	Create a new command object that uses this connection object
Dispose(Boolean)	Cleans up this connection object
EnlistTransaction(Transaction)	Enlists this EntityConnection in the specified transaction.
GetMetadataWorkspace()	Returns the MetadataWorkspace associated with this EntityConnection .
Open()	Establishes a connection to the data source by calling the underlying data provider's Open method.
OpenAsync(CancellationToken)	Asynchronously establishes a connection to the data store by calling the Open method on the underlying data provider