When a new assembly is created for a page as the effect of an update, ASP.NET verifies whether the old assembly can be deleted.

当程序集由于一个页面更新而重新创建时，ASP.NET验证旧的程序集是否可以删除。

youdao

For example, an application can be updated to use a side-by-side assembly that includes an update without having to reinstall the application.

例如，我们可以使用一个包含更新的并排程序集来更新这个应用程序而不用再次安装该程序。

youdao