sqlserver事务调用代码

static void Main(string[] args)
        {

            SqlConnection sqlConn = new SqlConnection(
                ConfigurationManager.ConnectionStrings["ConnStr"].ConnectionString);
            SqlTransaction sqlTrans = null;
            try
            {
                sqlConn.Open();
                sqlTrans = sqlConn.BeginTransaction();//事务开始
                SqlCommand sqlComm = new SqlCommand("", sqlConn, sqlTrans);
                sqlComm.CommandTimeout = 120;
                sqlComm.CommandType = System.Data.CommandType.Text;

                string insertSql = "insert into dbo.TransTestTable values (66,'66');";
                string updateSql = "update dbo.TransTestTable set [Name] = '77' where [Id] = 66;";

                sqlComm.CommandText = insertSql;
                sqlComm.ExecuteNonQuery();//执行insert

                sqlComm.CommandText = updateSql;
                sqlComm.ExecuteNonQuery();//执行update
                //throw new Exception("test exception.the transaction must rollback");

                sqlTrans.Commit();//事务提交
            }
            catch (Exception ex)
            {
                sqlTrans.Rollback();//事务回滚
                Console.WriteLine(ex.Message);
            }
            finally
            {
                if (sqlConn.State != System.Data.ConnectionState.Closed)
                    sqlConn.Close();
            }

            Console.ReadLine();
        }