public String Explore(String currentNode)
{
DbResourceLocator locator = new DbResourceLocator();
Node result = locator.Locate(currentNode);
NodeSerializer ser = new NodeSerializer();
ser.Format = (int)NodeSerializer.Formats.XML;
String s = ser.GetXml(result);
s = Convert.ToBase64String(Encoding.UTF8.GetBytes(s));
return(s);
}