2009年5月12日
LINQ: There is already an open DataReader associated with this Command which must be closed first
摘要： 在Linq to SQL和Entity Framework，使用Linq查询数据的时候会出现错误：There is already an open DataReader associated with this Command which must be closed first 。解决方案：在数据库连接串上添加MultipleActiveResultSets=true。 阅读全文
posted @ 2009-05-12 12:44 张善友 阅读(3892) 评论(3) 推荐(0)