Question : SelectSingleNode question

Label1.Text = xmlnode.SelectSingleNode("head").SelectSingleNode("title").InnerText

this gives an error when Node doesnt exist. With what "IF"-function can i prevent this error? i think something with .lenth .. but i'm not sure.
Thanks in advanced

Answer : SelectSingleNode question

Read this if you don't want to use try/catch
http://stackoverflow.com/questions/1880379/avoid-exception-on-xml-selectsinglenode-function