private string GetB64SessionToken(string b64encoded)
{
var obj = new SessionViewStateHistoryItemMarshal(b64encoded);
string ndc_serialized = SerializersHelper.NetDataContractSerializer_serialize(obj);
Regex b64SessionTokenPattern = new Regex(@"\<s[^>]+>([^<]+)");
Match b64SessionTokenMatch = b64SessionTokenPattern.Match(ndc_serialized);
return(b64SessionTokenMatch.Groups[1].Value);
}
