public async Task <IActionResult> OnGetAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Book = await _context.Book.FirstOrDefaultAsync(m => m.ID == id);
if (Book == null)
{
return(NotFound());
}
ViewData["PublisherID"] = new SelectList(_context.Set <Publisher>(), "ID", "PublisherName");
ViewData["BookCategories"] = new SelectList(_context.Set <Category>(), "CategoryID", "BookTitle");
return(Page());
}
public async Task <IActionResult> OnGetAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
BookCategory = await _context.BookCategory
.Include(b => b.Book)
.Include(b => b.Category).FirstOrDefaultAsync(m => m.ID == id);
if (BookCategory == null)
{
return(NotFound());
}
ViewData["BookID"] = new SelectList(_context.Book, "ID", "ID");
ViewData["CategoryID"] = new SelectList(_context.Set <Category>(), "ID", "ID");
return(Page());
}
public IActionResult OnGet()
{
ViewData["BookID"] = new SelectList(_context.Book, "ID", "ID");
ViewData["CategoryID"] = new SelectList(_context.Set <Category>(), "ID", "ID");
return(Page());
}
public IActionResult OnGet()
{
ViewData["PublisherID"] = new SelectList(_context.Set <Publisher>(), "ID", "PublisherName");
ViewData["BookCategories"] = new SelectList(_context.Set <BookCategory>(), "CategoryID", "BookTitle");
return(Page());
}