TransactionAttribute.Isolation 属性
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
获取或设置事务隔离级别。
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
属性值
TransactionIsolationLevel 值之一。
示例
下面的代码示例获取并设置特性的 Isolation 属性的值Transaction
。
[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