摘要: var lstMater = lst.GroupBy(w => new { w.materialId, w.name, w.isPass, w.description }). Select(g => new View_El_MyCourse_MaterialInfo { description = 阅读全文
posted @ 2017-02-14 21:47 —阿峰— 阅读(1478) 评论(0) 推荐(0) 编辑