C # judge whether WebService is connected within 1 second. If WebService is not connected, an error is returned.

Private bool isopen = false; // Field
Private void button#click (Object sender, eventargs E)
{
Timer1.enabled = true;
Timer1.interval = 1000; // check whether the network is connected within 1 second
Windowsformsapplication1.servicereference1. synwebsvrsoapclient S = new windowsformsapplication1.servicereference1. synwebsvrsoapclient ();
Isopen = S. openweb (); // the WebService method returns bool
}

 

private void timereffectick (Object sender, eventargs e)
{< br> timer1.enabled = false;
If (! Isopen)
{< br> MessageBox. show ("check settings if the network is not connected");

}