是否可以用MVC/Razor写出生成的有序数字序列，跨越内容页面和主页面?

The following example code is a simplified version of a setup we use for ads on our pages where we have to write a "position" number on each ad tag. The position numbers must be sequential from top to bottom starting with 1. The problem is that some of the ad tags are defined in the master/layout page and others are defined within the page markup.The following example code is a simplified vers