摘要: 来源:https://www.cnblogs.com/zhangwc/p/8944725.html 1、左连接: var LeftJoin = from emp in ListOfEmployeesjoin dept in ListOfDepartmenton emp.DeptID equals d 阅读全文
posted @ 2021-09-10 18:00 hao_1234_1234 阅读(187) 评论(0) 推荐(0) 编辑