public async Task <IActionResult> OnPost()
{
loading.GetName();
if (ModelState.IsValid)
{
var bookFromdb = await db.Books.FindAsync(Book.Id);
bookFromdb.Name = Book.Name;
bookFromdb.ISBN = Book.ISBN;
bookFromdb.Author = Book.Author;
await db.SaveChangesAsync();
return(RedirectToPage("Index"));
}
return(RedirectToPage());
}