本文整理匯總了VB.NET中System.Transactions.DependentTransaction類的典型用法代碼示例。如果您正苦於以下問題:VB.NET DependentTransaction類的具體用法?VB.NET DependentTransaction怎麽用?VB.NET DependentTransaction使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了DependentTransaction類的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: Main
Public Shared Sub Main()
Try
Using scope As TransactionScope = New TransactionScope()
'Perform transactional work here.
'Queue work item
ThreadPool.QueueUserWorkItem(AddressOf WorkerThread, Transaction.Current.DependentClone(DependentCloneOption.BlockCommitUntilComplete))
'Display transaction information
Console.WriteLine("Transaction information:")
Console.WriteLine("ID: {0}", Transaction.Current.TransactionInformation.LocalIdentifier)
Console.WriteLine("status: {0}", Transaction.Current.TransactionInformation.Status)
Console.WriteLine("isolationlevel: {0}", Transaction.Current.IsolationLevel)
'Call Complete on the TransactionScope based on console input
Dim c As ConsoleKeyInfo
While (True)
Console.Write("Complete the transaction scope? [Y|N] ")
c = Console.ReadKey()
Console.WriteLine()
If (c.KeyChar = "Y") Or (c.KeyChar = "y") Then
scope.Complete()
Exit While
ElseIf ((c.KeyChar = "N") Or (c.KeyChar = "n")) Then
Exit While
End If
End While
End Using
Catch ex As TransactionException
Console.WriteLine(ex)
Catch
Console.WriteLine("Cannot complete transaction")
Throw
End Try
End Sub
Public Shared Sub WorkerThread(ByVal myTransaction As Object)
'Create a DependentTransaction from the object passed to the WorkerThread
Dim dTx As DependentTransaction
dTx = CType(myTransaction, DependentTransaction)
'Sleep for 1 second to force the worker thread to delay
Thread.Sleep(1000)
'Pass the DependentTransaction to the scope, so that work done in the scope becomes part of the transaction passed to the worker thread
Using ts As TransactionScope = New TransactionScope(dTx)
'Perform transactional work here.
'Call complete on the transaction scope
ts.Complete()
End Using
'Call complete on the dependent transaction
dTx.Complete()
End Sub