使用SqlTransaction回滚事务

https://msdn.microsoft.com/zh-cn/library/system.data.sqlclient.sqltransaction(v=vs.110).aspx

 

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);

            }

        }

    }

}