<system>
 <version>1.0.0.0</version>
 <url>http://yoursite.com/download/1.0.0.0/</url>
</system>
if you want to read those data according to element
then following codes surely help you.there are many
ways to read from a xml file.this is a way to read -
string xmlURL = "http://yoursite.com/info.xml"; 
reader = new XmlTextReader(xmlURL);
reader.MoveToContent();
string elementName = "";
if ((reader.NodeType == XmlNodeType.Element) && (reader.Name == "system"))
{
 while (reader.Read())
 {
 // when we find an element node, 
 // we remember its name 
 if (reader.NodeType == XmlNodeType.Element)
 elementName = reader.Name;
 else
 {
 // for text nodes... 
 if ((reader.NodeType == XmlNodeType.Text) && (reader.HasValue))
 {
 // we check what the name of the node was 
 switch (elementName)
 {
 case "version": 
 NewVersion = new Version(reader.Value);
 break;
 case "url":
 url = reader.Value;
 break;
 }
 }
 }
 }
}