public ActionResult newDepartment(Department department) { if (ModelState.IsValid) { var com = _companyService.GetCompanyByID(department.ComapanyID); var newDepartment = _departmentService.InsertDepartment(department.Name, department.Description, com.Id); if (newDepartment != null) { return(RedirectToAction("SuccessDepartment")); } } else { ModelState.AddModelError("", "Invalid data"); } return(View("newDepartment")); }