2019年3月15日
删除表中多余的重复记录，重复记录是根据单个字段（Id）来判断，只留有rowid最小的记录
摘要： delete from Resource where Title in (select Title from Resource group by Title having count(Title) > 1) and Id not in (select min(Id) from Resource gr 阅读全文
posted @ 2019-03-15 15:10 大冉啊 阅读(349) 评论(0) 推荐(0) 编辑
MVC文件的上传、删除
摘要： public ActionResult FileUpload() { Users users = new Users(); users = (Users)Session["Users"]; HttpFileCollection files = System.Web.HttpContext.Curre 阅读全文
posted @ 2019-03-15 09:47 大冉啊 阅读(200) 评论(3) 推荐(0) 编辑