public async Task <ActionResult> SaveContractAsync(CourseContractViewModel viewModel)
        {
            var item = await viewModel.SaveCourseContractAsync(this);

            if (item == null)
            {
                if (!ModelState.IsValid)
                {
                    return(View("~/Views/Shared/ReportInputError.cshtml"));
                }
                else
                {
                    return(View("~/Views/ConsoleHome/Shared/JsAlert.cshtml", model: ModelState.ErrorMessage()));
                }
            }

            return(Json(new { result = true }));
        }
        public async Task <ActionResult> SaveContractAsync(CourseContractViewModel viewModel)
        {
            var item = await viewModel.SaveCourseContractAsync(this, true);

            if (item == null)
            {
                if (!ModelState.IsValid)
                {
                    ViewBag.AlertError = true;
                    return(View(ConsoleHomeController.InputErrorView));
                }
                else
                {
                    return(View("~/Views/ConsoleHome/Shared/AlertMessage.cshtml", model: ModelState.ErrorMessage()));
                }
            }

            return(View("~/Views/ContractConsole/Editing/CourseContractSaved.cshtml", item));
        }