public IActionResult OnPost(int islandId)
{
var island = islandDataService.Delete(islandId);
islandDataService.Commit();
if (island == null)
{
return(RedirectToPage("./NotFopund"));
}
TempData["Message"] = $"{island.Name} deleted.";
return(RedirectToPage("./TopRated"));
}
public IActionResult OnPost()
{
if (!ModelState.IsValid)
{
this.Climates = htmlHelper.GetEnumSelectList <ClimateType>();
return(Page());
}
if (Island.Id > 0)
{
islandData.Update(Island); // Island = islandData.Update(Island); => "Island" can be ommitted here because it is automatically popultaed by model binding.
TempData["Message"] = "Resaurant successfully updated"; // TempData only available for next request and not for subsequent requests.
}
else
{
islandData.Add(Island);
TempData["Message"] = "Resaurant successfully added";
}
islandData.Commit();
return(RedirectToPage("./Detail", new { islandId = Island.Id })); // Do not leave user on a page with post form after successful post: page refresh might lead to problems.
}