How do I do a routine in C # or Razor on my site, to instead of the guy only by the login page, have the option to log in for the facebook user? I'm not asking for ready code, just how I do it.
How do I do a routine in C # or Razor on my site, to instead of the guy only by the login page, have the option to log in for the facebook user? I'm not asking for ready code, just how I do it.