Hi,<BR>i am using a session to track the user name. on a page i want to display "welcome, XXX". after a while, the page become "welcom ", I think this is beacause session expire.<BR><BR>my question is: I want to display a new page which tell the user that" your session expire, try agan". How to do this?<BR>In .net Framework, is there a timer class to record the time?<BR><BR>thanks you all