HI
if u r working on windows application..
this code will work....
System.Timers.Timer timer = new System.Timers.Timer(1000);
private void Form1_Load(object sender, EventArgs e)
{
timer.Elapsed += timer_Elapsed;
timer.Enabled = true;
}
void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
timer.Enabled = false;
MessageBox.Show("time out");
}