public ActionResult InputVATInvoiceGridViewPartialAddNew(APIInputVATInvoice item) { //var model = new object[0]; if (ModelState.IsValid) { try { InputVATInvoiceModelList.AddItem(item); } catch (Exception e) { ViewData["EditError"] = e.Message; } } else { ViewData["EditError"] = "Please, correct all errors."; } return(PartialView("_InputVATInvoiceGridViewPartial", InputVATInvoiceModelList.InputVATInvoiceModels())); }