摘要: 1、左连接:var LeftJoin = from emp in ListOfEmployeesjoin dept in ListOfDepartmenton emp.DeptID equals dept.ID into JoinedEmpDeptfrom dept in JoinedEmpDept 阅读全文
posted @ 2019-07-18 18:34 进步者One 阅读(2397) 评论(0) 推荐(0) 编辑