Partager via

  • Article

EnumPerformanceCounters méthode (String)

Enumerates a list of performance counters that are supported by the instance of SQL Server for a specified object.

Espace de noms :  Microsoft.SqlServer.Management.Smo
Assembly :  Microsoft.SqlServer.Smo (dans Microsoft.SqlServer.Smo.dll)

Syntaxe

'Déclaration
Public Function EnumPerformanceCounters ( _
    objectName As String _
) As DataTable
'Utilisation
Dim instance As Server
Dim objectName As String
Dim returnValue As DataTable

returnValue = instance.EnumPerformanceCounters(objectName)

public DataTable EnumPerformanceCounters(
    string objectName
)

public:
DataTable^ EnumPerformanceCounters(
    String^ objectName
)

member EnumPerformanceCounters : 
        objectName:string -> DataTable 

public function EnumPerformanceCounters(
    objectName : String
) : DataTable

Paramètres

Valeur de retour

Type : System.Data. . :: . .DataTable
A DataTable object value that contains a list of performance counters supported by the instance of SQL Server. The table describes the different columns of the returned DataTable.

Column

Data type

Description

ObjectName

String

The name of the performance counter object. The SqlServer.ExecStatistics object, for example.

CounterName

String

The name of the performance counter. The Distributed Query counter, for example.

InstanceName

String

The name of the measurement to be taken. The Exec started per second instance, for example.

Notes

This method enumerates all the performance counters available in SQL Server that you could use to create a performance alert. You can also see the performance counters listed in Utilisation d'objets SQL Server.

Exemples

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server
'Call the EnumCollations method and return collation information to DataTable variable.
Dim d As DataTable
'Select the returned data into an array of DataRow.
d = srv.EnumCollations
'Iterate through the rows and display collation details for the instance of SQL Server.
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