public ActionResult MakeBooking(Appointment appointment) { if (string.IsNullOrWhiteSpace(appointment.ClientName)) ModelState.AddModelError("ClientName", "Please enter your name [controller]"); if (ModelState.IsValidField("Date") && DateTime.Now.Date > appointment.Date) ModelState.AddModelError("Date", "Please enter a date in the future [controller]"); if (!appointment.TermsAccepted) ModelState.AddModelError("TermsAccepted", "You must accept the terms [controller]"); if (ModelState.IsValidField("ClientName") && ModelState.IsValidField("Date") && appointment.ClientName == "Joe" && appointment.Date.DayOfWeek == DayOfWeek.Monday) ModelState.AddModelError("", "Joe cannot book appointments on Mondays [controller]"); if (ModelState.IsValid) { // Save appointment // ... return View("Completed", appointment); } else return View(); }
public ActionResult MakeBooking2(Appointment appointment) { if (ModelState.IsValid) { // Save appointment // ... return View("Completed", appointment); } else return View("MakeBooking"); }