【EF】数据表全部字段更新与部分字段更新

<span style="font-family:KaiTi_GB2312;font-size:18px;">//实例化读者表并赋值
            ta_readerinfo enReader = new ta_readerinfo()
            {

                ReaderID = ReaderModel.ReaderID,
                Name = ReaderModel.Name,
                Roles = ReaderModel.Roles,
                Sex = ReaderModel.Sex,
                Tel = ReaderModel.Tel,
                Email = ReaderModel.Email,
                Grade = ReaderModel.Grade,

                //不需要更新的字段
                //Pwd = "123",
                //Photo = "呵呵",
                //ManagerID = "1",
                //IsEnable = "1",
            };

            //执行更新操作
            this.CurrentDal.Update(enReader);
            //将对数据库的操作保存
            DbSession.SaveChanges();</span>

<span style="font-family:KaiTi_GB2312;font-size:18px;">            //创建映射规则
            Mapper.CreateMap<ReaderViewModel, ta_readerinfo>();
            //进行转换
            ta_readerinfo ReaderList = Mapper.Map<ta_readerinfo>(ReaderModel);
            //需要修改的字段
            string[] proNames = { "Name", "Roles", "Sex", "Tel", "Email", "Grade" };
            //调用更新操作
            this.CurrentDal.Update(ReaderList, a => a.ReaderID == ReaderModel.ReaderID, proNames);
            //更新SaveChanges
            this.DbSession.SaveChanges();</span>