public ActionResult Edit(int id, VehicleBase newItem)
{
// Two tests are required...
if (ModelState.IsValid & id == newItem.Id)
{
// Attempt to update the item
VehicleBase editedItem = m.EditVehicle(newItem);
if (editedItem == null)
{
// There was a problem updating the object
return(View(newItem));
}
else
{
// Succesful - item was edited
TempData["statusMessage"] = "Edits have been saved.";
return(RedirectToAction("details", new { id = editedItem.Id }));
}
}
else
{
// Return the object so the user can edit it correctly
return(View(newItem));
}
}
// ############################################################
//
// GET: /Vehicles/Edit/5
public ActionResult Edit(int id)
{
// Prepare the object to be edited
// We will be able to use the VehicleBase view model class
// Then we'll selectively edit the scaffolded view to suit our needs
// Attempt to get the object with the matching identifier
VehicleBase fetchedObject = m.GetVehicleById(id);
if (fetchedObject == null)
{
return(RedirectToAction("index"));
}
else
{
return(View(fetchedObject));
}
}
// ############################################################
//
// GET: /Vehicles/Delete/5
public ActionResult Delete(int?id)
{
// The type of the parameter above was changed to int?, a nullable int
// This will suppress an error message
// Attempt to fetch the object to be deleted
// Notice that we must use a method on the nullable int
VehicleBase itemToDelete = m.GetVehicleById(id.GetValueOrDefault());
if (itemToDelete == null)
{
return(RedirectToAction("index"));
}
else
{
return(View(itemToDelete));
}
}
// ############################################################
// Edit existing item
public VehicleBase EditVehicle(VehicleBase newItem)
{
// Attempt to fetch the object with the matching identifier
var fetchedObject = ds.Vehicles.Find(newItem.Id);
if (fetchedObject == null)
{
// Return null to the caller (who will also test the result)
return(null);
}
else
{
// Update the object with the incoming values
// Before doing this, we may have to perform
// business-rule validations
ds.Entry(fetchedObject).CurrentValues.SetValues(newItem);
ds.SaveChanges();
// Prepare and return the object
return(Mapper.Map <VehicleBase>(fetchedObject));
}
}
// ############################################################
// Edit existing item
public VehicleBase EditVehicle(VehicleBase newItem)
{
// Attempt to fetch the object with the matching identifier
var fetchedObject = ds.Vehicles.Find(newItem.Id);
if (fetchedObject == null)
{
// Return null to the caller (who will also test the result)
return null;
}
else
{
// Update the object with the incoming values
// Before doing this, we may have to perform
// business-rule validations
ds.Entry(fetchedObject).CurrentValues.SetValues(newItem);
ds.SaveChanges();
// Prepare and return the object
return Mapper.Map<VehicleBase>(fetchedObject);
}
}
public ActionResult Edit(int id, VehicleBase newItem)
{
// Two tests are required...
if (ModelState.IsValid & id == newItem.Id)
{
// Attempt to update the item
VehicleBase editedItem = m.EditVehicle(newItem);
if (editedItem == null)
{
// There was a problem updating the object
return View(newItem);
}
else
{
// Succesful - item was edited
TempData["statusMessage"] = "Edits have been saved.";
return RedirectToAction("details", new { id = editedItem.Id });
}
}
else
{
// Return the object so the user can edit it correctly
return View(newItem);
}
}
