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  • EF简单的添加修改删除基本语法

          using ( androidhiveEntities db = new androidhiveEntities() )
                    {

                        #region 添加
                        //aa a = new aa() { endDate =DateTime.Now,name="张三",doccode="ddoccode ",startDate=DateTime.Now };
                        //db.aa.Add(a);
                        //db.SaveChanges();
                        #endregion

                        #region 修改

                        //修改
                        var a1 = (from u in db.aa where u.id == 25 select u).FirstOrDefault();
                        a1.name = "李晓四";
                        var a = (from u in db.aa where u.id == 27 select u).FirstOrDefault();
                        a.name  = "张晓三";
                        db.SaveChanges();
                        #endregion

                        #region 删除
                        //var a = (from u in db.aa where u.id == 26 select u).First();
                        //db.aa.Remove(a);

                        //db.SaveChanges();
                        #endregion
                    }

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  • 原文地址:https://www.cnblogs.com/cl1006/p/6038659.html
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