String adName = Request.QueryString["ad"];
String redirect = Request.QueryString["target"];
if (adName == null | redirect == null)
redirect = "Default.aspx";
System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
String docPath = @"~/App_Data/AdResponses.xml";
doc.Load(Server.MapPath(docPath));
System.Xml.XmlNode root = doc.DocumentElement;
System.Xml.XmlNode adNode =
root.SelectSingleNode(
@"descendant::ad[@adname='" + adName + "']");
if (adNode != null) {
int ctr =
int.Parse(adNode.Attributes["hitCount"].Value);
ctr += 1;
System.Xml.XmlNode newAdNode = adNode.CloneNode(false);
newAdNode.Attributes["hitCount"].Value = ctr.ToString();
root.ReplaceChild(newAdNode, adNode);
doc.Save(Server.MapPath(docPath));
}
Response.Redirect(redirect);