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VB.NET OracleTransaction.Rollback方法代碼示例

本文整理匯總了VB.NET中System.Data.OracleClient.OracleTransaction.Rollback方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET OracleTransaction.Rollback方法的具體用法?VB.NET OracleTransaction.Rollback怎麽用?VB.NET OracleTransaction.Rollback使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在System.Data.OracleClient.OracleTransaction的用法示例。


在下文中一共展示了OracleTransaction.Rollback方法的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: RunOracleTransaction

Public Sub RunOracleTransaction(ByVal connectionString As String)
    Using connection As New OracleConnection(connectionString)
        connection.Open()

        Dim command As OracleCommand = connection.CreateCommand()
        Dim transaction As OracleTransaction

        ' Start a local transaction
        transaction = connection.BeginTransaction(IsolationLevel.ReadCommitted)
        ' Assign transaction object for a pending local transaction
        command.Transaction = transaction

        Try
            command.CommandText = _
                "INSERT INTO Dept (DeptNo, Dname, Loc) values (50, 'TECHNOLOGY', 'DENVER')"
            command.ExecuteNonQuery()
            command.CommandText = _
                "INSERT INTO Dept (DeptNo, Dname, Loc) values (60, 'ENGINEERING', 'KANSAS CITY')"
            command.ExecuteNonQuery()
            transaction.Commit()
            Console.WriteLine("Both records are written to database.")
        Catch e As Exception
            transaction.Rollback()
            Console.WriteLine(e.ToString())
            Console.WriteLine("Neither record was written to database.")
        End Try
    End Using
End Sub
開發者ID:VB.NET開發者,項目名稱:System.Data.OracleClient,代碼行數:28,代碼來源:OracleTransaction.Rollback


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