Problem Redirecting From MasterPage in Asp.net mvc -

I have a masterpiece on which there is a condition of a sick check for a condition if the condition is correct, I want to redirect to the scene. How can I do this because either the view () or the RedirectToAction () function are available on the masterpage. If my position is

  if (session ["name"] == tap) // to work normally // redirected to work normally  < / Pre> 

You will usually do this in your controller ...

Alternatively if This is for authentication so you can use it:

  form attestation. Redirection-Login Page ()