摘要: 1. Linq Join Example: var result = from c in T_Classes join s in T_Students on c.ClassID equals s.ClassID where c.ClassName == "一年級" orderby c.ClassID 阅读全文
posted @ 2020-01-14 20:26 iHey 阅读(5028) 评论(0) 推荐(1)