290-c# 解析html，并进行元素查找，HtmlParser、Selector

 Document document = HtmlParser.Parse(DataStr);
var q = Selector.Bind(document);
var tds = q("td");

foreach (var tdItem in tds){
    
    string textContent = tdItem.textContent;
    
    var txt = q(tdItem).parent().find("td:eq(2)").text();
}