TransactionAttribute.Isolation Propriété

Définition

Espace de noms:

System.EnterpriseServices

Assembly:

System.EnterpriseServices.dll

Obtient ou définit le niveau d’isolation de la transaction.

public:
 property System::EnterpriseServices::TransactionIsolationLevel Isolation { System::EnterpriseServices::TransactionIsolationLevel get(); void set(System::EnterpriseServices::TransactionIsolationLevel value); };

public System.EnterpriseServices.TransactionIsolationLevel Isolation { get; set; }

member this.Isolation : System.EnterpriseServices.TransactionIsolationLevel with get, set

Public Property Isolation As TransactionIsolationLevel

Valeur de propriété

TransactionIsolationLevel

Une des valeurs de l'objet TransactionIsolationLevel.

Exemples

L’exemple de code suivant obtient et définit la valeur de la propriété d’un TransactionIsolation attribut.

[Transaction(Isolation=TransactionIsolationLevel.Serializable)]
public class TransactionAttribute_Isolation : ServicedComponent
{
    public void IsolationExample()
    {
        // Get the TransactionAttribute applied to the class.
        TransactionAttribute attribute =
            (TransactionAttribute)Attribute.GetCustomAttribute(
            this.GetType(),
            typeof(TransactionAttribute),
            false);

        // Display the current value of the attribute's Isolation property.
        Console.WriteLine("TransactionAttribute.Isolation: {0}",
            attribute.Isolation);

        // Set the Isolation property value of the attribute.
        attribute.Isolation = TransactionIsolationLevel.RepeatableRead;

        // Display the new value of the attribute's Isolation property.
        Console.WriteLine("TransactionAttribute.Isolation: {0}",
            attribute.Isolation);
    }
}

<Transaction(Isolation := TransactionIsolationLevel.Serializable)>  _
Public Class TransactionAttribute_Isolation
    Inherits ServicedComponent
    
    Public Sub IsolationExample() 
        ' Get the TransactionAttribute applied to the class.
        Dim attribute As TransactionAttribute = CType(Attribute.GetCustomAttribute(Me.GetType(), GetType(TransactionAttribute), False), TransactionAttribute)
        
        ' Display the current value of the attribute's Isolation property.
        MsgBox("TransactionAttribute.Isolation: " & attribute.Isolation)
        
        ' Set the Isolation property value of the attribute.
        attribute.Isolation = TransactionIsolationLevel.RepeatableRead
        
        ' Display the new value of the attribute's Isolation property.
        MsgBox("TransactionAttribute.Isolation: " & attribute.Isolation)
    
    End Sub
End Class