public ActionResult Create(CarModelViewModel model)
{
try
{
if (!ModelState.IsValid)
{
return(View(model));
}
// Checks if car model already exists:
if (logic.IsCarModelExists(model.CarModel))
{
ViewBag.ErrorMessage = "Car model already exists.";
return(View(model));
}
else
{
// Car model is OK to insert:
logic.InsertCarModel(model.CarModel);
return(RedirectToAction("Index"));
}
}
catch (Exception)
{
ViewBag.ErrorMessage = "An error has occurred. please try again later.";
return(View(model));
}
}
public ActionResult Edit(CarModelViewModel model)
{
try
{
if (!ModelState.IsValid)
{
return(View(model));
}
logic.UpdateCarModel(model.CarModel);
return(RedirectToAction("Index"));
}
catch (Exception)
{
ViewBag.ErrorMessage = "An error has occurred. please try again later.";
return(View(model));
}
}
/// <summary>
/// Page displays: A form to edit a car model.
/// </summary>
public ActionResult Edit(int id = 0)
{
try
{
// Gets the car model by the ID:
CarModel carModel = logic.GetCarModelByID(id);
if (carModel == null)
{
return(HttpNotFound());
}
// Creates the model object:
CarModelViewModel model = new CarModelViewModel();
model.CarModel = carModel;
return(View(model));
}
catch (Exception)
{
ViewBag.ErrorMessage = "An error has occurred. please try again later.";
return(View(new CarModelViewModel()));
}
}