public async Task <IActionResult> OnGetAsync(string categoryName)
{
if (!string.IsNullOrEmpty(categoryName))
{
ProductList = await _catalogApi.GetProductByCategory(categoryName);
SelectedCategory = categoryName;
}
else
{
ProductList = await _catalogApi.GetProducts();
CategoryList = ProductList.Select(c => c.Category).Distinct().ToList();
}
return(Page());
}
