public async Task <IActionResult> OnGetAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
PhoneBook = await _context.PhoneBook.FirstOrDefaultAsync(m => m.ID == id);
if (PhoneBook == null)
{
return(NotFound());
}
ViewData["GroupingID"] = new SelectList(_context.Set <Grouping>(), "ID", "GroupingName");
return(Page());
}
public IActionResult OnGet()
{
ViewData["GroupingID"] = new SelectList(_context.Set <Grouping>(), "ID", "GroupingName");
return(Page());
}