本文整理汇总了VB.NET中System.EnterpriseServices.TransactionIsolationLevel枚举的典型用法代码示例。如果您正苦于以下问题：VB.NET TransactionIsolationLevel枚举的具体用法？VB.NET TransactionIsolationLevel怎么用？VB.NET TransactionIsolationLevel使用的例子？那么, 这里精选的枚举代码示例或许可以为您提供帮助。
在下文中一共展示了TransactionIsolationLevel枚举的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: TransactionAttribute_IsolationAny
' 导入命名空间
Imports System.EnterpriseServices
Imports System.Reflection
' References:
' System.EnterpriseServices
' An instance of this class will inherit its caller's transaction isolation
' level if available. If not, it will use isolation level Serializable.
<Transaction(Isolation := TransactionIsolationLevel.Any)> _
Public Class TransactionAttribute_IsolationAny
Inherits ServicedComponent
End Class
' An instance of this class will read only committed data, but non-repeatable
' reads and phantom rows are still possible.
<Transaction(Isolation := TransactionIsolationLevel.ReadCommitted)> _
Public Class TransactionAttribute_IsolationReadCommitted
Inherits ServicedComponent
End Class
' An instance of this class will read committed and uncommitted data, so dirty
' reads, non-repeatable reads, and phantom rows are possible.
<Transaction(Isolation := TransactionIsolationLevel.ReadUncommitted)> _
Public Class TransactionAttribute_IsolationReadUncommitted
Inherits ServicedComponent
End Class
' An instance of this class will read only committed data and place shared
' locks on the data, preventing other users from modifying it, but other users
' can still insert rows into the data set, so phantom rows are still possible.
<Transaction(Isolation := TransactionIsolationLevel.RepeatableRead)> _
Public Class TransactionAttribute_IsolationRepeatableRead
Inherits ServicedComponent
End Class
' An instance of this class will read only committed data and place a range
' lock on the data set, preventing other users from updating or inserting rows
' into the data set until its transaction is complete.
<Transaction(Isolation := TransactionIsolationLevel.Serializable)> _
Public Class TransactionAttribute_IsolationSerializable
Inherits ServicedComponent
End Class