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  • Artykuł

Server.IsDetachedPrimaryFile Method

Verifies whether the specified file is a primary (.mdf) database file.

Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

Syntax

'Deklaracja
Public Function IsDetachedPrimaryFile ( _
    mdfName As String _
) As Boolean

public bool IsDetachedPrimaryFile (
    string mdfName
)

public:
bool IsDetachedPrimaryFile (
    String^ mdfName
)

public boolean IsDetachedPrimaryFile (
    String mdfName
)

public function IsDetachedPrimaryFile (
    mdfName : String
) : boolean

Parameters

  • mdfName
    A String value that specifies the name of the data file.

Return Value

A Boolean value that specifies whether the data file is a primary database file. If True, the data file is a primary database file. If False, the data file is not a primary database file.

Example

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server
Dim owner As String
Dim logstr as String
Dim datastr as String
owner = srv.Databases("AdventureWorks").Owner

'Detach the AdventureWorks database.
srv.DetachDatabase("AdventureWorks", False, False)

'Display information about the detached database.
Dim d As DataTable
Datastr = "C:\Program Files\Microsoft SQL Server"
Datastr = datastr + "\MSSQL10\MSSQL\Data\AdventureWorks_Data.mdf"
Logstr = "C:\Program Files\Microsoft SQL Server"
Logstr = datastr + "\MSSQL10\MSSQL\Data\AdventureWorks_Log.ldf"
d = srv.DetachedDatabaseInfo(datastr)
Dim r As DataRow
Dim c As DataColumn
For Each r In d.Rows
    Console.WriteLine("==========================")
    For Each c In r.Table.Columns
        Console.WriteLine(c.ColumnName + " = " + r(c).ToString)
    Next
Next

'Check whether the file is a detached primary file.
Console.WriteLine(srv.IsDetachedPrimaryFile(datastr))

'Attach the database
Dim sc As StringCollection
sc = New StringCollection
sc.Add(datastr)
sc.Add(logstr)
srv.AttachDatabase("AdventureWorks", sc, owner, AttachOptions.None)

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

Development Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server.

Target Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server.