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OleDbConnection.Open Method

Opens a database connection with the property settings specified by the ConnectionString.

Namespace: System.Data.OleDb
Assembly: System.Data (in system.data.dll)

public override void Open ()
public void Open ()
public override function Open ()

Exception typeCondition

InvalidOperationException

The connection is already open.

OleDbException

A connection-level error occurred while opening the connection.

The OleDbConnection draws an open connection from the connection pool if one is available. Otherwise, it establishes a new connection to the data source.

NoteNote

If the OleDbConnection goes out of scope, it is not closed. Therefore, you must explicitly close the connection by calling Close or Dispose, or using the connection within a Using statement.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

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