public async Task <IActionResult> ShowAll(int?page)
{
const int PageSize = 2;
// Null-coalescing operator ??
// https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/operators/null-coalescing-operator
int pageNumber = page ?? 1;
ViewData["CurrentPage"] = pageNumber;
int maxPage = await GetMaxPage(PageSize);
ViewData["MaxPage"] = maxPage;
List <Clothing> clothes =
await ClothingDB.GetClothingbyPage(_context, pageNumber, PageSize);
return(View(clothes));
}