Print Function using Rotativa - asp.net-mvc

Question

i used Rotativa to print one of my page from html to pdf and when i hit the button to print,it will open print preview,but the preview does not contains that page i just print , it contains and show me log in page in preview instead as you can see,so idont know exactly whats happend.Can someone please point me in the right direction?
The page i tried to print look like this:
But when i hit the button to print,in preview give me log in page:
AccountController:
protected override void OnActionExecuting(ActionExecutingContext filterContext)
{
if (Session["CustomerID"] == null &! Request.RawUrl.ToLower().Contains("login"))
{
Response.Redirect("/Account/Login");
}
base.OnActionExecuting(filterContext);
}
<br>
//Login
public ActionResult Login()
{
return View();
}
[HttpPost]
public ActionResult Login(Customers cust)
{
using (DataContext db = new DataContext())
{
var user = db.Customers.Where(u => u.CustomerID == cust.CustomerID).FirstOrDefault();
if (user != null)
{
Session["CustomerID"] = user.CustomerID.ToString();
FormsAuthentication.SetAuthCookie(cust.CustomerID, false);
Session.Timeout = 30;
return RedirectToAction("LoggedIn");
}
else
{
ModelState.AddModelError("", "CustomerID is not Valid");
}
}
return View();
}
public ActionResult LoggedIn()
{
if (Session["CustomerID"] != null)
{
string customerId = Session["CustomerID"].ToString();
List<Orders> customerOrders;
using (DataContext data = new DataContext())
{
customerOrders = data.Orders.Where(x => x.CustomerID == customerId).ToList();
}
return View(customerOrders);
}
else
{
return RedirectToAction("Login");
}
}
public ActionResult Logout()
{
FormsAuthentication.SignOut();
Session.Remove("Login");
return RedirectToAction("Login", "Account");
}
public ActionResult PrintOrders(int id)
{
var report = new ActionAsPdf("ShowOrdersDetails", new { id = id });
return report;
}