2014年10月30日
实体类上的一对一关系需要手动指定
摘要： public class User { public long UserId { get; set; } public string UserName { get; set; } public string UserPwd { get; set; } ... 阅读全文
posted @ 2014-10-30 13:11 褐色鸟群 阅读(338) 评论(0) 推荐(0)
在实体对象中访问导航属性里的属性值出现异常“There is already an open DataReader associated with this Command which must be closed first”
摘要： 在实体对象中访问导航属性里的属性值出现异常“There is already an open DataReader associated with this Command which must be closed first”。public class User { publi... 阅读全文
posted @ 2014-10-30 12:28 褐色鸟群 阅读(4489) 评论(0) 推荐(0)