public async Task <IActionResult> Index(int?page = 1)
{
var model = await _staticContentService.GetAllPagedAsync(page.Value - 1, DefaultPageSize);
model.Paging.CurrentPage = page.Value;
model.Paging.ItemsPerPage = DefaultPageSize;
model.Paging.ShowFirstLast = true;
return(View(model));
}