/AnotherStartup/Account/Logout.cshtml

 1@{
 2    // Log out of the current user context
 3    WebSecurity.Logout();
 4
 5    // Redirect back to the homepage or return URL
 6    var returnUrl = Request.QueryString["ReturnUrl"];
 7    if (returnUrl.IsEmpty()) {
 8        Response.Redirect("~/");
 9    } else {
10        Context.RedirectLocal(returnUrl);
11    }
12}