// GET: Books/Details/5
public async Task <IActionResult> Details(string id)
{
if (id == null)
{
return(NotFound());
}
var book = await _bc.FindByIdAsync(id);
if (book == null)
{
return(NotFound());
}
TempData["AvailableCopies"] = await _bc.GetNoOfAvailableModelCopies(book);
return(View(book));
}