linq 数据插入 删除 更新
插入: ProductDataContext pa = new ProductDataContext(); PandC pd = new PandC(); pd.CNAME="aaaa"; pd.PID=100; pd.PNAME = "aaaa"; pa.PandC.InsertOnSubmit(pd); pa.SubmitChanges(); ----------或者 ProductDataContext pa = new ProductDataContext(); PandC pd = new PandC { CNAME = "bbb", PID = 100, PNAME = "abbbaaa" }; pa.PandC.InsertOnSubmit(pd); pa.SubmitChanges(); PandC 为数据表名 也是类名 将该类实例化 传参数 再插入数据 删除: ProductDataContext pa = new ProductDataContext(); var deleted=from pc in pa.PandC where pc.CNAME=="bbb" select pc; foreach (var detial in deleted) { pa.PandC.DeleteOnSubmit(detial); } pa.SubmitChanges();