public IActionResult OnPost()
 {
     Case = _context.Case.Find(CaseClosureForm.CaseId);
     if (!ModelState.IsValid)
     {
         return(Page());
     }
     Case.Status     = "Closed";
     Case.ClosedDate = CaseClosureForm.ClosureDate;
     _context.SaveChanges();
     return(RedirectToPage("/Cases/Index"));
 }
        public IActionResult OnPost()
        {
            if (!ModelState.IsValid)
            {
                ViewData["ProductId"] = new SelectList(_context.Set <Product>(), "ID", "Name");
                return(Page());
            }
            var ordLineItem = new OrderLineItem();

            ordLineItem.OrderId   = orderLineItem.OrderId;
            ordLineItem.ProductId = orderLineItem.ProductId;
            ordLineItem.Quantity  = orderLineItem.Quantity;
            _context.OrderLineItem.Add(ordLineItem);
            _context.SaveChanges();
            return(RedirectToPage("/Orders/Details", new { Id = ordLineItem.OrderId }));
        }