using (var db = Data.Database.GetContext())
{
                var data = new Data.Intro { Id = Id };
                db.Intros.Attach(data);

                if (FieldManager.IsFieldDirty(_name))
                    data.Name = Name;

                if (FieldManager.IsFieldDirty(_content))
                    data.Content = Content;

                if (FieldManager.IsFieldDirty(_sort))
                    data.Sort = Sort;

                if (FieldManager.IsFieldDirty(_enabled))
                    data.Enabled = Enabled;

                db.SaveChanges();
}