SqlTransaction.Rollback SqlTransaction.Rollback SqlTransaction.Rollback SqlTransaction.Rollback Method

定義

トランザクションを保留状態からロールバックします。Rolls back a transaction from a pending state.

オーバーロード

Rollback() Rollback() Rollback() Rollback()

トランザクションを保留状態からロールバックします。Rolls back a transaction from a pending state.

Rollback(String) Rollback(String) Rollback(String) Rollback(String)

トランザクションまたはセーブポイントの名前を指定して、トランザクションを保留中の状態からロールバックします。Rolls back a transaction from a pending state, and specifies the transaction or savepoint name.

Rollback() Rollback() Rollback() Rollback()

トランザクションを保留状態からロールバックします。Rolls back a transaction from a pending state.

public:
 override void Rollback();
public override void Rollback ();
override this.Rollback : unit -> unit
Public Overrides Sub Rollback ()

実装

例外

トランザクションをコミットしようとしてエラーが発生しました。An error occurred while trying to commit the transaction.

トランザクションは既にコミットまたはロールバックされています。The transaction has already been committed or rolled back.

または-or-

接続が切断されています。The connection is broken.

次の例では、作成、SqlConnectionSqlTransactionします。The following example creates a SqlConnection and a SqlTransaction. 使用する方法も示します、 BeginTransactionCommit、およびRollbackメソッド。It also demonstrates how to use the BeginTransaction, Commit, and Rollback methods. トランザクションはエラーにロールバックします。The transaction is rolled back on any error. Try/Catch エラー処理は、コミットまたはトランザクションをロールバックしようとしています。 エラーの処理に使用されます。Try/Catch error handling is used to handle any errors when attempting to commit or roll back the transaction.

private static void ExecuteSqlTransaction(string connectionString)
{
    using (SqlConnection connection = new SqlConnection(connectionString))
    {
        connection.Open();

        SqlCommand command = connection.CreateCommand();
        SqlTransaction transaction;

        // Start a local transaction.
        transaction = connection.BeginTransaction("SampleTransaction");

        // Must assign both transaction object and connection
        // to Command object for a pending local transaction
        command.Connection = connection;
        command.Transaction = transaction;

        try
        {
            command.CommandText =
                "Insert into Region (RegionID, RegionDescription) VALUES (100, 'Description')";
            command.ExecuteNonQuery();
            command.CommandText =
                "Insert into Region (RegionID, RegionDescription) VALUES (101, 'Description')";
            command.ExecuteNonQuery();

            // Attempt to commit the transaction.
            transaction.Commit();
            Console.WriteLine("Both records are written to database.");
        }
        catch (Exception ex)
        {
            Console.WriteLine("Commit Exception Type: {0}", ex.GetType());
            Console.WriteLine("  Message: {0}", ex.Message);

            // Attempt to roll back the transaction.
            try
            {
                transaction.Rollback();
            }
            catch (Exception ex2)
            {
                // This catch block will handle any errors that may have occurred
                // on the server that would cause the rollback to fail, such as
                // a closed connection.
                Console.WriteLine("Rollback Exception Type: {0}", ex2.GetType());
                Console.WriteLine("  Message: {0}", ex2.Message);
            }
        }
    }
}
Private Sub ExecuteSqlTransaction(ByVal connectionString As String)
    Using connection As New SqlConnection(connectionString)
        connection.Open()

        Dim command As SqlCommand = connection.CreateCommand()
        Dim transaction As SqlTransaction

        ' Start a local transaction
        transaction = connection.BeginTransaction("SampleTransaction")

        ' Must assign both transaction object and connection
        ' to Command object for a pending local transaction.
        command.Connection = connection
        command.Transaction = transaction

        Try
            command.CommandText = _
              "Insert into Region (RegionID, RegionDescription) VALUES (100, 'Description')"
            command.ExecuteNonQuery()
            command.CommandText = _
              "Insert into Region (RegionID, RegionDescription) VALUES (101, 'Description')"

            command.ExecuteNonQuery()

            ' Attempt to commit the transaction.
            transaction.Commit()
            Console.WriteLine("Both records are written to database.")

        Catch ex As Exception
            Console.WriteLine("Commit Exception Type: {0}", ex.GetType())
            Console.WriteLine("  Message: {0}", ex.Message)

            ' Attempt to roll back the transaction.
            Try
                transaction.Rollback()

            Catch ex2 As Exception
                ' This catch block will handle any errors that may have occurred
                ' on the server that would cause the rollback to fail, such as
                ' a closed connection.
                Console.WriteLine("Rollback Exception Type: {0}", ex2.GetType())
                Console.WriteLine("  Message: {0}", ex2.Message)
            End Try
        End Try
    End Using
End Sub

注釈

Rollbackメソッドは、TRANSACT-SQL の ROLLBACK TRANSACTION ステートメントと等価です。The Rollback method is equivalent to the Transact-SQL ROLLBACK TRANSACTION statement. 詳細については、次を参照してください。 ROLLBACK TRANSACTION (TRANSACT-SQL)します。For more information, see ROLLBACK TRANSACTION (Transact-SQL) .

トランザクションは保留中の状態でのみロールバックされます (後BeginTransactionが呼び出されると、前にCommitと呼びます)。The transaction can only be rolled back from a pending state (after BeginTransaction has been called, but before Commit is called). バックアップ イベントに破棄される前に、トランザクションはロールバックCommitまたはRollbackが呼び出されます。The transaction is rolled back in the event it is disposed before Commit or Rollback is called.

注意

Try/Catch 例外処理は、トランザクションをロールバックするときに常に使用する必要があります。Try/Catch exception handling should always be used when rolling back a transaction. ARollback生成、InvalidOperationException接続が終了した場合、またはトランザクションが、サーバー上で既にロールバックされている場合。A Rollback generates an InvalidOperationException if the connection is terminated or if the transaction has already been rolled back on the server.

SQL Server のトランザクションの詳細については、次を参照してください。トランザクション (TRANSACT-SQL)します。For more information on SQL Server transactions, see Transactions (Transact-SQL).

こちらもご覧ください

Rollback(String) Rollback(String) Rollback(String) Rollback(String)

トランザクションまたはセーブポイントの名前を指定して、トランザクションを保留中の状態からロールバックします。Rolls back a transaction from a pending state, and specifies the transaction or savepoint name.

public:
 void Rollback(System::String ^ transactionName);
public void Rollback (string transactionName);
override this.Rollback : string -> unit
Public Sub Rollback (transactionName As String)

パラメーター

transactionName
String String String String

ロールバックするトランザクションの名前、またはロールバック先のセーブポイント。The name of the transaction to roll back, or the savepoint to which to roll back.

例外

トランザクション ファイル名が指定されていません。No transaction name was specified.

トランザクションは、既にコミットまたはロールバックされています。The transaction has already been committed or rolled back.

または-or-

接続が切れています。The connection is broken.

次の例では、作成、SqlConnectionSqlTransactionします。The following example creates a SqlConnection and a SqlTransaction. 使用する方法も示します、 BeginTransactionCommit、およびRollbackメソッド。It also demonstrates how to use the BeginTransaction, Commit, and Rollback methods. トランザクションはエラーにロールバックします。The transaction is rolled back on any error. Try/Catch エラー処理は、コミットまたはトランザクションをロールバックしようとしています。 エラーの処理に使用されます。Try/Catch error handling is used to handle any errors when attempting to commit or roll back the transaction.

private static void ExecuteSqlTransaction(string connectionString)
{
    using (SqlConnection connection = new SqlConnection(connectionString))
    {
        connection.Open();

        SqlCommand command = connection.CreateCommand();
        SqlTransaction transaction;

        // Start a local transaction.
        transaction = connection.BeginTransaction("SampleTransaction");

        // Must assign both transaction object and connection
        // to Command object for a pending local transaction
        command.Connection = connection;
        command.Transaction = transaction;

        try
        {
            command.CommandText =
                "Insert into Region (RegionID, RegionDescription) VALUES (100, 'Description')";
            command.ExecuteNonQuery();
            command.CommandText =
                "Insert into Region (RegionID, RegionDescription) VALUES (101, 'Description')";
            command.ExecuteNonQuery();

            // Attempt to commit the transaction.
            transaction.Commit();
            Console.WriteLine("Both records are written to database.");
        }
        catch (Exception ex)
        {
            Console.WriteLine("Commit Exception Type: {0}", ex.GetType());
            Console.WriteLine("  Message: {0}", ex.Message);

            // Attempt to roll back the transaction.
            try
            {
                transaction.Rollback();
            }
            catch (Exception ex2)
            {
                // This catch block will handle any errors that may have occurred
                // on the server that would cause the rollback to fail, such as
                // a closed connection.
                Console.WriteLine("Rollback Exception Type: {0}", ex2.GetType());
                Console.WriteLine("  Message: {0}", ex2.Message);
            }
        }
    }
}
Private Sub ExecuteSqlTransaction(ByVal connectionString As String)
    Using connection As New SqlConnection(connectionString)
        connection.Open()

        Dim command As SqlCommand = connection.CreateCommand()
        Dim transaction As SqlTransaction

        ' Start a local transaction
        transaction = connection.BeginTransaction("SampleTransaction")

        ' Must assign both transaction object and connection
        ' to Command object for a pending local transaction.
        command.Connection = connection
        command.Transaction = transaction

        Try
            command.CommandText = _
              "Insert into Region (RegionID, RegionDescription) VALUES (100, 'Description')"
            command.ExecuteNonQuery()
            command.CommandText = _
              "Insert into Region (RegionID, RegionDescription) VALUES (101, 'Description')"

            command.ExecuteNonQuery()

            ' Attempt to commit the transaction.
            transaction.Commit()
            Console.WriteLine("Both records are written to database.")

        Catch ex As Exception
            Console.WriteLine("Exception Type: {0}", ex.GetType())
            Console.WriteLine("  Message: {0}", ex.Message)

            ' Attempt to roll back the transaction.
            Try
                transaction.Rollback()

            Catch ex2 As Exception
                ' This catch block will handle any errors that may have occurred
                ' on the server that would cause the rollback to fail, such as
                ' a closed connection.
                Console.WriteLine("Rollback Exception Type: {0}", ex2.GetType())
                Console.WriteLine("  Message: {0}", ex2.Message)
            End Try
        End Try
    End Using
End Sub

注釈

Rollbackメソッドは、TRANSACT-SQL の ROLLBACK TRANSACTION ステートメントと等価です。The Rollback method is equivalent to the Transact-SQL ROLLBACK TRANSACTION statement. 詳細については、次を参照してください。トランザクション (TRANSACT-SQL)します。For more information, see Transactions (Transact-SQL).

トランザクションは保留中の状態でのみロールバックされます (後BeginTransactionが呼び出されると、前にCommitと呼びます)。The transaction can only be rolled back from a pending state (after BeginTransaction has been called, but before Commit is called). 前に破棄される場合、トランザクションはロールバックCommitまたはRollbackが呼び出されます。The transaction is rolled back if it is disposed before Commit or Rollback is called.

注意

Try/Catch 例外処理は、トランザクションをロールバックするときに常に使用する必要があります。Try/Catch exception handling should always be used when rolling back a transaction. ARollback生成、InvalidOperationException接続が終了した場合、またはトランザクションが、サーバー上で既にロールバックされている場合。A Rollback generates an InvalidOperationException if the connection is terminated or if the transaction has already been rolled back on the server.

SQL Server のトランザクションの詳細については、次を参照してください。トランザクション (TRANSACT-SQL)します。For more information on SQL Server transactions, see Transactions (Transact-SQL).

こちらもご覧ください

適用対象