ContextUtil.TransactionId 属性

定义

命名空间:

System.EnterpriseServices

程序集:

System.EnterpriseServices.dll

获取当前 COM+ DTC 事务的 GUID。

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

public static Guid TransactionId { get; }

static member TransactionId : Guid

Public Shared ReadOnly Property TransactionId As Guid

属性值

Guid

一个 GUID，表示当前 COM+ DTC 事务（如果存在该事务）。

例外

COMException

没有可用的 COM+ 上下文。

示例

下面的代码示例获取 属性的值 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