public ActionResult AddColourGroup(NewColourGroup colourGroup)
        {
            cat.AddNewColourGroup(colourGroup.ColourGroup);
            cat.Save();
            ViewBag.Message = "You have successfully added this colour group:" + colourGroup.ColourGroup.Title;

            return View(colourGroup);
        }
 public ActionResult AddColourGroup()
 {
     var colourGroup = new NewColourGroup();
     return View(colourGroup);
 }