TransactionAttribute 构造函数

定义

命名空间:

System.EnterpriseServices

程序集:

System.EnterpriseServices.dll

初始化 TransactionAttribute 类的新实例。

重载

TransactionAttribute()	初始化 TransactionAttribute 类的新实例，并且将组件的请求的事务类型设置为 Required。
TransactionAttribute(TransactionOption)	初始化 TransactionAttribute 类的新实例，并且指定事务类型。

TransactionAttribute()

初始化 TransactionAttribute 类的新实例，并且将组件的请求的事务类型设置为 Required。

public:
 TransactionAttribute();

public TransactionAttribute ();

Public Sub New ()

示例

下面的代码示例创建新的 TransactionAttribute。

[Transaction]
public class TransactionAttribute_Ctor : ServicedComponent
{
}

<Transaction()>  _
Public Class TransactionAttribute_Ctor
    Inherits ServicedComponent
End Class

TransactionAttribute(TransactionOption)

初始化 TransactionAttribute 类的新实例，并且指定事务类型。

public:
 TransactionAttribute(System::EnterpriseServices::TransactionOption val);

public TransactionAttribute (System.EnterpriseServices.TransactionOption val);

new System.EnterpriseServices.TransactionAttribute : System.EnterpriseServices.TransactionOption -> System.EnterpriseServices.TransactionAttribute

Public Sub New (val As TransactionOption)

参数

val

TransactionOption

指定的事务类型，一个 TransactionOption 值。

示例

下面的代码示例创建新的 TransactionAttribute。

[Transaction(TransactionOption.Supported)]
public class TransactionAttribute_Ctor_TransactionOption : ServicedComponent
{
}

[Transaction(TransactionOption.Supported,
     Isolation=TransactionIsolationLevel.Serializable)]
public class TransactionAttribute_Ctor_TransactionOption_Isolation :
    ServicedComponent
{
}

[Transaction(TransactionOption.Supported,
     Isolation=TransactionIsolationLevel.Serializable,
     Timeout=30)]
public class TransactionAttribute_Ctor_TransactionOption_Isolation_Timeout :
     ServicedComponent
{
}

<Transaction(TransactionOption.Supported)>  _
Public Class TransactionAttribute_Ctor_TransactionOption
    Inherits ServicedComponent
End Class

<Transaction(TransactionOption.Supported, Isolation := TransactionIsolationLevel.Serializable)>  _
Public Class TransactionAttribute_Ctor_TransactionOption_Isolation
    Inherits ServicedComponent
End Class

<Transaction(TransactionOption.Supported, Isolation := TransactionIsolationLevel.Serializable, Timeout := 30)>  _
Public Class TransactionAttribute_Ctor_TransactionOption_Isolation_Timeout
    Inherits ServicedComponent
End Class