本文整理汇总了VB.NET中System.Data.OleDb.OleDbTransaction.Rollback方法的典型用法代码示例。如果您正苦于以下问题:VB.NET OleDbTransaction.Rollback方法的具体用法?VB.NET OleDbTransaction.Rollback怎么用?VB.NET OleDbTransaction.Rollback使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。
在下文中一共展示了OleDbTransaction.Rollback方法的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,您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。
示例1: ExecuteTransaction
Public Sub ExecuteTransaction(ByVal connectionString As String)
Using connection As New OleDbConnection(connectionString)
Dim command As New OleDbCommand()
Dim transaction As OleDbTransaction
' Set the Connection to the new OleDbConnection.
command.Connection = connection
' Open the connection and execute the transaction.
Try
connection.Open()
' Start a local transaction.
transaction = connection.BeginTransaction()
' Assign transaction object for a pending local transaction.
command.Connection = connection
command.Transaction = transaction
' Execute the commands.
command.CommandText = _
"Insert into Region (RegionID, RegionDescription) VALUES (100, 'Description')"
command.ExecuteNonQuery()
command.CommandText = _
"Insert into Region (RegionID, RegionDescription) VALUES (101, 'Description')"
command.ExecuteNonQuery()
' Commit the transaction.
transaction.Commit()
Console.WriteLine("Both records are written to database.")
Catch ex As Exception
Console.WriteLine(ex.Message)
' Try to rollback the transaction
Try
transaction.Rollback()
Catch
' Do nothing here; transaction is not active.
End Try
End Try
' The connection is automatically closed when the
' code exits the Using block.
End Using
End Sub
开发者ID:VB.NET开发者,项目名称:System.Data.OleDb,代码行数:46,代码来源:OleDbTransaction.Rollback
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