在ASP.Net MVC中使生成的文件可供下载的最简单/最好的方法

I am developing an ASP.NET MVC website. The reporting is done by SQL Server Reporting Services. I know how I can make a PDF file out of a report without showing it, yet I'm not sure what's the easiest/best way to store this file an make it available for download in MVC or send it via email (out of MVC).I am developing an ASP.NET MVC website. The rep