ContextUtil.TransactionId 屬性

定義

命名空間:

System.EnterpriseServices

組件:

System.EnterpriseServices.dll

取得目前 COM+ DTC 交易的 GUID。

public:
 static property Guid TransactionId { Guid get(); };

public static Guid TransactionId { get; }

static member TransactionId : Guid

Public Shared ReadOnly Property TransactionId As Guid

屬性值

Guid

如果有存在的話，則為表示目前 COM+ DTC 交易的 GUID。

例外狀況

COMException

沒有 COM+ 內容可供使用。

範例

下列程式代碼範例會取得 屬性的值 TransactionId 。

[Transaction(TransactionOption::Required)]
public ref class ContextUtil_TransactionId: public ServicedComponent
{
public:
   void Example()
   {
      // Display the ID of the transaction in which the current COM+ context
      // is enlisted.
      Console::WriteLine( "Transaction ID: {0}", ContextUtil::TransactionId );
   }
};

[Transaction(TransactionOption.Required)]
public class ContextUtil_TransactionId : ServicedComponent
{
    public void Example()
    {
        // Display the ID of the transaction in which the current COM+ context
        // is enlisted.
        Console.WriteLine("Transaction ID: {0}", ContextUtil.TransactionId);
    }
}

<Transaction(TransactionOption.Required)>  _
Public Class ContextUtil_TransactionId
    Inherits ServicedComponent
    
    Public Sub Example() 
        ' Display the ID of the transaction in which the current COM+ context
        ' is enlisted.
        MsgBox("Transaction ID: " & ContextUtil.TransactionId.ToString())

    End Sub
End Class