public ActionResult Calc2(double p_BillAmount)
 {
     TipMatrix matrix = new TipMatrix(p_BillAmount);
     ViewData["Matrix"] = matrix;
     return View("DisplayResult");
 }
 public ActionResult Calc()
 {
     TipMatrix matrix = new TipMatrix(Convert.ToDouble(RouteData.Values["id"]));
     ViewData["Matrix"] = matrix;
     return View("DisplayResult");
 }