public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
await _context.Books.AddAsync(Book);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
var BookFromDb = await _context.Books.FindAsync(Book.Id);
BookFromDb.Name = Book.Name;
BookFromDb.Author = Book.Author;
BookFromDb.ISBN = Book.ISBN;
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(int?id)
{
// If there's no id
if (id == null)
{
return(NotFound());
}
// Searching for book by Id
Book = await _context.Books.FindAsync(id);
// If book doesn't exists
if (Book != null)
{
_context.Books.Remove(Book);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}