public IActionResult ArticleList(string ticker = "", string sortOrder = "", string lang = "", int?page = 1)
{
ViewData["CurrentSort"] = sortOrder;
ViewData["PublishedSortParm"] = string.IsNullOrEmpty(sortOrder) ? "published_desc" : "";
ViewData["ReceivedSortParm"] = sortOrder == "received" ? "received_desc" : "received";
ViewData["ticker"] = ticker;
ViewData["lang"] = lang;
return(View(_articlesData.GetArticles(ticker, lang, sortOrder, page ?? 1)));
}
