2017年2月22日
There is already an open DataReader associated with this Command which must be closed first
摘要： 报错There is already an open DataReader associated with this Command which must be closed first 原因：查询进行中与数据库其他操作采用了同一个connection 阅读全文
posted @ 2017-02-22 20:49 最佳BUG制作者 阅读(345) 评论(0) 推荐(0)