如何在Linq To SQL中插入实体，我希望在其中指定其身份 - 例如，在数据库创建时预先填充表格？

I'm engaged in writing a product using LinqToSql for data-access. While we're rapidly developing, the model changes often. This means we dump and reload the database lots while developing. Thus, overhead is involved to recreate baseline data each time.I'm engaged in writing a product using LinqToSq