How to: Close and Disconnect an SMO Object in Visual Basic .NET
This section describes how to close and disconnect the Server object from an instance of SQL Server by using Visual Basic .NET.
The code example shows how to request a non-pooled connection by setting the NonPooledConnection property of the ConnectionContext object property.
Closing and disconnecting the SMO object from the instance of SQL Server
Start Visual Studio 2005.
From the File menu, select New Project. The New Project dialog box appears.
In the Project Types pane, select Visual Basic. In the Templates pane, select Console Application.
(Optional) In the Name box, type the name of the new application.
Click OK to load the Visual Basic console application template.
On the Project menu, select Add Reference item. The Add Reference dialog box appears. Select Browse and locate the SMO assemblies in the C:\Program Files\Microsoft SQL Server\90\SDK\Assemblies folder. Select the following files:
Microsoft.SqlServer.ConnectionInfo.dll
Microsoft.SqlServer.Smo.dll
Microsoft.SqlServer.SqlEnum.dll
Microsoft.SqlServer.SmoEnum.dll
On the View menu, click Code.-Or-Select the Module1.vb window to display the code window.
In the code, before any declarations, type the following Imports statements to qualify the types in the SMO namespace:
Imports Microsoft.SqlServer.Management.Smo Imports Microsoft.SqlServer.Management.CommonInsert the code that follows this procedure into the main program.
Run and build the application.
範例
Dim srv As Server
srv = New Server
'Disable automatic disconnection.
srv.ConnectionContext.AutoDisconnectMode = AutoDisconnectMode.NoAutoDisconnect
'Connect to the local, default instance of SQL Server.
srv.ConnectionContext.Connect()
'The actual connection is made when a property is retrieved.
Console.WriteLine(srv.Information.Version)
'Disconnect explicitly.
srv.ConnectionContext.Disconnect()
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概念
Disconnecting from an Instance of SQL Server