public async Task <IActionResult> Create([Bind("StockPrice,HolderId,CompanyId,Id,ModifiedOn")] Stock stock) { if (ModelState.IsValid) { stock.Id = Guid.NewGuid(); _context.Add(stock); await _context.SaveChangesAsync(); return(RedirectToAction(nameof(Index))); } ViewData["CompanyId"] = new SelectList(_context.Companies, "Id", "Id", stock.CompanyId); ViewData["HolderId"] = new SelectList(_context.Holders, "Id", "Id", stock.HolderId); return(View(stock)); }