TransactionOption TransactionOption TransactionOption TransactionOption Enum

Definición

Especifica el tipo de transacción automática solicitada por el componente.Specifies the automatic transaction type requested by the component.

public enum class TransactionOption
[System.Serializable]
public enum TransactionOption
type TransactionOption = 
Public Enum TransactionOption
Herencia
TransactionOptionTransactionOptionTransactionOptionTransactionOption
Atributos

Campos

Disabled Disabled Disabled Disabled 0

Hace caso omiso de cualquier transacción en el contexto actual.Ignores any transaction in the current context.

NotSupported NotSupported NotSupported NotSupported 1

Crea el componente en un contexto sin ninguna transacción controladora.Creates the component in a context with no governing transaction.

Required Required Required Required 3

Comparte una transacción, si existe alguna, y crea una nueva en caso necesario.Shares a transaction, if one exists, and creates a new transaction if necessary.

RequiresNew RequiresNew RequiresNew RequiresNew 4

Crea el componente con una nueva transacción, independientemente del estado del contexto actual.Creates the component with a new transaction, regardless of the state of the current context.

Supported Supported Supported Supported 2

Comparte una transacción, si existe alguna.Shares a transaction, if one exists.

Ejemplos

En el ejemplo de código siguiente se muestra el uso de la TransactionOption tipo.The following code example demonstrates the use of the TransactionOption type.

#using <System.EnterpriseServices.dll>

using namespace System;
using namespace System::EnterpriseServices;
using namespace System::Reflection;

// References:
// System.EnterpriseServices

// An instance of this class will not participate in transactions, but can
// share its caller's context even if its caller is configured as
// NotSupported, Supported, Required, or RequiresNew.
[Transaction(TransactionOption::Disabled)]
public ref class TransactionDisabled : public ServicedComponent
{
};

// An instance of this class will not participate in transactions, and will
// share its caller's context only if its caller is also configured as
// NotSupported.
[Transaction(TransactionOption::NotSupported)]
public ref class TransactionNotSupported : public ServicedComponent
{
};

// An instance of this class will participate in its caller's transaction
// if one exists.
[Transaction(TransactionOption::Supported)]
public ref class TransactionSupported : public ServicedComponent
{
};

// An instance of this class will participate in its caller's transaction
// if one exists. If not, a new transaction will be created for it.
[Transaction(TransactionOption::Required)]
public ref class TransactionRequired : public ServicedComponent
{
};

// A new transaction will always be created for an instance of this class.
[Transaction(TransactionOption::RequiresNew)]
public ref class TransactionRequiresNew : public ServicedComponent
{
};
using System;
using System.EnterpriseServices;
using System.Reflection;

// References:
// System.EnterpriseServices

// An instance of this class will not participate in transactions, but can
// share its caller's context even if its caller is configured as
// NotSupported, Supported, Required, or RequiresNew.
[Transaction(TransactionOption.Disabled)]
public class TransactionAttribute_TransactionDisabled : ServicedComponent
{
}

// An instance of this class will not participate in transactions, and will
// share its caller's context only if its caller is also configured as
// NotSupported.
[Transaction(TransactionOption.NotSupported)]
public class TransactionAttribute_TransactionNotSupported : ServicedComponent
{
}

// An instance of this class will participate in its caller's transaction
// if one exists.
[Transaction(TransactionOption.Supported)]
public class TransactionAttribute_TransactionSupported : ServicedComponent
{
}

// An instance of this class will participate in its caller's transaction
// if one exists. If not, a new transaction will be created for it.
[Transaction(TransactionOption.Required)]
public class TransactionAttribute_TransactionRequired : ServicedComponent
{
}

// A new transaction will always be created for an instance of this class.
[Transaction(TransactionOption.RequiresNew)]
public class TransactionAttribute_TransactionRequiresNew : ServicedComponent
{
}
Imports System
Imports System.EnterpriseServices
Imports System.Reflection


' References:
' System.EnterpriseServices

' An instance of this class will not participate in transactions, but can
' share its caller's context even if its caller is configured as
' NotSupported, Supported, Required, or RequiresNew.
<Transaction(TransactionOption.Disabled)>  _
Public Class TransactionAttribute_TransactionDisabled
    Inherits ServicedComponent
End Class 'TransactionAttribute_TransactionDisabled

' An instance of this class will not participate in transactions, and will
' share its caller's context only if its caller is also configured as
' NotSupported.
<Transaction(TransactionOption.NotSupported)>  _
Public Class TransactionAttribute_TransactionNotSupported
    Inherits ServicedComponent
End Class 'TransactionAttribute_TransactionNotSupported

' An instance of this class will participate in its caller's transaction
' if one exists.
<Transaction(TransactionOption.Supported)>  _
Public Class TransactionAttribute_TransactionSupported
    Inherits ServicedComponent
End Class 'TransactionAttribute_TransactionSupported

' An instance of this class will participate in its caller's transaction
' if one exists. If not, a new transaction will be created for it.
<Transaction(TransactionOption.Required)>  _
Public Class TransactionAttribute_TransactionRequired
    Inherits ServicedComponent
End Class 'TransactionAttribute_TransactionRequired

' A new transaction will always be created for an instance of this class.
<Transaction(TransactionOption.RequiresNew)>  _
Public Class TransactionAttribute_TransactionRequiresNew
    Inherits ServicedComponent
End Class 'TransactionAttribute_TransactionRequiresNew

Comentarios

Cuando se usa la herramienta de instalación de .NET (Regsvcs.exe), la opción de transacción para un ServicedComponent el valor predeterminado es Disabled.When using the .NET Installation Tool (Regsvcs.exe), the transaction option for a ServicedComponent defaults to Disabled.

Se aplica a