由于相对路径问题，自定义404页面无法回发

My site currently implements custom 404 pages which we have mapped in IIS. So when a user does something like www.mysite.com/foo/bar/doesnotexist, it will execute the 404.aspx URL. This works great, but when inspecting the HTML returned, the form post URL is relative:My site currently implements custom 404 pages w