public ActionResult Index()
{
Resistor res = new Resistor();
ViewBag.DigitColors = new SelectList(Enum.GetValues(typeof(BandDigitEnum)).Cast <BandDigitEnum>());
ViewBag.MultiplierColors = new SelectList(res.GetBandMultiplierColor());
ViewBag.TolleranceColor = new SelectList(res.GetBandToleranceColor(), "Value", "Key");
return(View(res));
}