public ActionResult Vat4P3(string errMsg)
{
ViewBag.OutItemCode = new SelectList(_itemInfoService.All().ToList().Where(x => x.ItemType == 1).OrderBy(x => x.ItemName), "ItemCode", "ItemName");
ViewBag.RPMItemCode = new SelectList(_itemInfoService.All().ToList().Where(x => x.ItemType == 3 || x.ItemType == 4).OrderBy(x => x.ItemName), "ItemCode", "ItemName");
ViewBag.CostId = LoadDropDown.LoadCostFactor();
ViewBag.DeclarationNo = GetDeclarationNo();
return(View());
}