public ActionResult NewSalesAct(SalesAct salesAct)
 {
     salesAct.Date = DateTime.Parse(DateTime.Now.ToShortDateString());
     c.SalesActs.Add(salesAct);
     c.SaveChanges();
     return(RedirectToAction("Index"));
 }
        public ActionResult UpdateSalesAct(SalesAct salesAct)
        {
            var sal = c.SalesActs.Find(salesAct.SalesActID);

            sal.ProductID   = salesAct.ProductID;
            sal.CurrentID   = salesAct.CurrentID;
            sal.StaffID     = salesAct.StaffID;
            sal.Quantity    = salesAct.Quantity;
            sal.UnitPrice   = salesAct.UnitPrice;
            sal.TotalAmount = salesAct.TotalAmount;
            sal.Date        = salesAct.Date;
            c.SaveChanges();
            return(RedirectToAction("Index"));
        }