Método EnumPerformanceCounters (String, String)
Enumerates a list of performance counters that are supported by the instance of SQL Server for a specified object and specified counter.
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (em Microsoft.SqlServer.Smo.dll)
Sintaxe
'Declaração
Public Function EnumPerformanceCounters ( _
objectName As String, _
counterName As String _
) As DataTable
'Uso
Dim instance As Server
Dim objectName As String
Dim counterName As String
Dim returnValue As DataTable
returnValue = instance.EnumPerformanceCounters(objectName, _
counterName)
public DataTable EnumPerformanceCounters(
string objectName,
string counterName
)
public:
DataTable^ EnumPerformanceCounters(
String^ objectName,
String^ counterName
)
member EnumPerformanceCounters :
objectName:string *
counterName:string -> DataTable
public function EnumPerformanceCounters(
objectName : String,
counterName : String
) : DataTable
Parâmetros
- objectName
Tipo: System. . :: . .String
A String value that specifies the object on which to limit the results.
- counterName
Tipo: System. . :: . .String
A String value that specifies the counter name on which to limit the results.
Valor de retorno
Tipo: 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 |
The name of the performance counter object. The SqlServer.ExecStatistics object, for example. |
|
CounterName |
The name of the performance counter. The Distributed Query counter, for example. |
|
InstanceName |
The name of the measurement to be taken. The Exec started per second instance, for example. |
Comentários
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 Usando objetos do SQL Server.
Exemplos
'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
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