public async Task <IActionResult> OnGetAsync(string categoryName, int pageNumber)
{
if (!string.IsNullOrEmpty(categoryName))
{
ProductList = await _productApi.GetProductByCategory(categoryName);
CategoryList = ProductList.Select(p => p.Category).Distinct();
SelectedCategory = categoryName;
return(Page());
}
else
{
ProductList = await _productApi.GetProducts();
CategoryList = ProductList.Select(p => p.Category).Distinct();
}
if (pageNumber > 0)
{
ProductList = await _productApi.GetProductByPage(pageNumber);
}
return(Page());
}