DataContext.Refresh(System.Data.Linq.RefreshMode.OverwriteCurrentValues, entity);

如果您想刷新整个实体集，最简单的方法可能是创建一个新的 DataContext 并重新查询所有内容.

If you want to refresh your entire entity set, the easiest way is probably to just create a new DataContext and requery for everything.