摘要: 普通查询 var query = from s in context.Student select s; //投影列 var query = from s in context.Student select new { s.Id, s.StudentName }; //起别名 var query = 阅读全文
posted @ 2022-09-03 22:23 沈先生爱猫咪 阅读(45) 评论(0) 推荐(0) 编辑