EnumPerformanceCounters 方法 (String)
Enumerates a list of performance counters that are supported by the instance of SQL Server for a specified object.
命名空間: Microsoft.SqlServer.Management.Smo
組件: Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll 中)
語法
'宣告
Public Function EnumPerformanceCounters ( _
objectName As String _
) As DataTable
'用途
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
參數
- objectName
型別:System. . :: . .String
A String value that specifies the object on which to limit the results.
傳回值
型別: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. |
備註
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 使用 SQL Server 物件.
範例
'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
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