c#事务

 1.正常程序里的事务：

  using (System.Transactions.TransactionScope ts = new TransactionScope())
        {
            try
            {
                //Sql语句
                ts.Complete();//提交事务
            }
            catch (Exception e)
            {
                Logger.WriteLog(e.Message);
            }
            finally
            {
                ts.Dispose();//释放事务
            }
        }
2.sql语句中事务：

public void shiwu(){

try{

  SqlConnection conn = new SqlConnection(SqlHelper.connectionString);
        conn.Open();
        SqlTransaction tran = null;
        tran = conn.BeginTransaction();
        SqlCommand cmd = new SqlCommand();
        cmd.Transaction = tran;//挂起事务
        cmd.Connection = conn;

        sql_insert=sql;//sql语句

        DbHelperSQL.PrepareCommand(cmd, conn, tran, sql_insert, null);
                            int val = cmd.ExecuteNonQuery();

        tran.Commit();//执行成功 事务提交
}

catch（Exception e）

             {

               tran.Rollback();//报错的话 事务回滚

             }

finally
            {
               conn.Close();//关闭连接
            }

}

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c#事务

原文：http://www.cnblogs.com/loveailsa10000/p/3866138.html