c# - How to select specific node using Html Agility Pack? -


<div class="form-field wide-80 normal">1997-09-15</div>

i trying select date inside 1997-09-15. tried code giving error of "xpath exception unhandled" what's wrong in code please 

 string url = "http://whois.domaintools.com/google.com";   htmlweb web = new htmlweb();  htmlagilitypack.htmldocument doc = web.load(url);   var spannodes = doc.documentnode.selectnodes("//div[@class=form-field wide-80 normal]");  if (spannodes != null)  {       foreach (htmlnode sn in spannodes)       {           string text = sn.firstchild.innertext.trim();           messagebox.show(text);       }  }

you forget 's

var spannodes =         doc.documentnode.selectnodes("//div[@class='form-field wide-80 normal']");

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