public WeightDataHelper()
 {
     weightDataViewModel = new WeightDataViewModel();
 }
 public ActionResult WeightData()
 {
     WeightDataViewModel weightDataViewModel = new WeightDataViewModel();
     try
     {
         weightDataViewModel = new WeightDataHelper().GetViewModel();
         ViewBag.Error = "";
     }
     catch (Exception ex)
     {
         ViewBag.Error = ex.Message;
     }
     return View(weightDataViewModel);
 }