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  • Artykuł

Server.EnumPerformanceCounters Method (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 (in microsoft.sqlserver.smo.dll)

Syntax

'Deklaracja
Public Function EnumPerformanceCounters ( _
    objectName As String, _
    counterName As String _
) As DataTable

public DataTable EnumPerformanceCounters (
    string objectName,
    string counterName
)

public:
DataTable^ EnumPerformanceCounters (
    String^ objectName, 
    String^ counterName
)

public DataTable EnumPerformanceCounters (
    String objectName, 
    String counterName
)

public function EnumPerformanceCounters (
    objectName : String, 
    counterName : String
) : DataTable

Parameters

  • objectName
    A String value that specifies the object on which to limit the results.
  • counterName
    A String value that specifies the counter name on which to limit the results.

Return Value

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.

Remarks

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 Using SQL Server Objects.

Example

'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

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.