TransactionAttribute.Isolation 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
取得或設定交易隔離等級。
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
屬性值
其中一個 TransactionIsolationLevel 值。
範例
下列程式代碼範例會取得並設定 Transaction
屬性的 Isolation 屬性值。
[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