public async Task <IActionResult> OnPost(int bookId)
{
var book = await _booksInfoContext.BooksList.SingleAsync(b => b.Id == bookId);
if (book != null)
{
_booksInfoContext.Remove(book);
await _booksInfoContext.SaveChangesAsync();
}
else
{
return(RedirectToPage("./NotFound"));
}
TempData["Message"] = $"{book.Title} deleted";
return(RedirectToPage("./List"));
}
public async Task <IActionResult> OnPost(int authorId)
{
Author = await _infoContext.AuthorsList.SingleAsync(a => a.Id == authorId);
var book = await _infoContext.BooksList.AnyAsync(b => b.AuthorInfoId == authorId);
if (book == false)
{
_infoContext.Remove(Author);
await _infoContext.SaveChangesAsync();
}
else
{
TempData["Message"] = $"{Author.Id} can't be deleted";
return(RedirectToPage("./AuthorDetails"));
}
TempData["Message"] = $"{Author.FirstName} + {Author.LastName} was deleted";
return(RedirectToPage("./AuthorsList"));
}