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Find Available SQL Server Using SMO Classes in Visual Basic .NET 2005 Application

How-to

Find Available SQL Server Using SMO Classes in Visual Basic .NET 2005 Application

by  PankajBanga  Posted    (Edited  )
Introduction

SQL Server 2000 and former included SQL-DMO (Distributed Management Object) a COM based object model, to provide programmatic interface for database management. SQL Server 2005 replaces SQL-DMO with two .NET based object libraries; SQL Server Management Object (SMO) and Replication Management Object (RMO). This article illustrates how to use SMO to programmatically find available instances of SQL Server from Visual Basic .NET 2005 application. You need to reference Microsoft.SqlServer.Smo.dll (.NET assembly) that provides the main SMO classes.

Create a Visual Basic 2005 Console Application
[ol]
[li]In Visual Basic 2005 IDE click File --> New Project.[/li]
[li]In resulting New Project dialog box, in the Project Type pane click Visual Basic node.[/li]
[li]In the Templates pane, choose Console Application and click OK.[/li]
[li]In Solution Explorer right click ConsoleApplication1 solution and choose Add References from the context menu.[/li]
[li]In the resulting Add Reference dialog box, under .NET tab, choose Microsoft.SqlServer.Smo and click OK.[/li]
[li]Microsoft.SqlServer.Smo will be added to References node in Solution Explorer under ConsoleApplication1 solution.[/li]
[li]Import SMO namespaces with the Imports statement. [blue]Imports[/blue] Microsoft.SqlServer.Management.Smo[/li]
[li]Add the following code to Main procedure
Code: 
Dim dtlSQLServers As DataTable

' Get list of all available servers.
dtlSQLServers = SmoApplication.EnumAvailableSqlServers(False)

' Display the list of all available servers and
' identify the local sql server.
For Each drServer As DataRow In dtlSQLServers.Rows
    If drServer("IsLocal") = True Then
        Console.WriteLine("{0} (is the local sql server.)", drServer("Name"))
    Else
        Console.WriteLine(drServer("Name"))
    End If
Next

' Wait
Console.ReadLine()
[/li]
[li]Run the application. List of available SQL Servers will be displayed, with local SQL Server identified.[/li]

[/ol]

EnumAvailableSqlServers public method of SmoApplication class enumerates a list of available instances of SQL Server.

References

For more information on SMO Namespace visit
http://msdn2.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.aspx

For more information on [bSmoApplication[/b] class visit
http://msdn2.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.smoapplication.aspx

For more information on SMO Object Model visit
http://msdn2.microsoft.com/en-us/library/ms162151.aspx

For SMO Object Model Diagram visit
http://msdn2.microsoft.com/en-us/library/ms162209.aspx
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