private void DropDown()
        {
            // create a new list
            ViewBag.ListSuppliers = new List <SelectListItem>();

            // call the method and map info to the list
            List <SupplierPO> supplier = _mapper.Map(_supplierDataAccess.ViewAllSuppliers());

            // create a foreach loop to loop through the avaiable suppliers
            foreach (SupplierPO suppliers in supplier)
            {
                ViewBag.ListSuppliers.Add(new SelectListItem {
                    Text = suppliers.supplierName, Value = suppliers.supplierID.ToString()
                });
            }
        }
        public ActionResult ViewSuppliers()
        {
            if ((string)Session["roleName"] == "admin" || (string)Session["roleName"] == "moderator")
            {
                // create a new instance of supplerViewModel
                SupplierViewModel _supplierViewModel = new SupplierViewModel();

                // call the view suppliers method pass it through the dataAccess and mapper
                // then set it to the supplier list
                _supplierViewModel.listSupplierPO = _mapper.Map(_supplierDataAccess.ViewAllSuppliers());

                // return the view
                return(View(_supplierViewModel));
            }
            return(RedirectToAction("ViewProducts"));
        }