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When close chat window, window.onunload() code was excuted twice

Last post 08-30-2007, 3:37 PM by JaneL. 4 replies.


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08-29-2007, 2:45 PM 33056

JaneL
Joined on 08-29-2007
Posts 3

When close chat window, window.onunload() code was excuted twice

Reply Quote

I integrated CuteChat with our software. But when I close the chat window by click the X button at the right top, window.onunload code was excuted twice. If I close the chat window by click the logout button, the onunload() code was execute once normally. How can I make it run normally even I click the x button? thanks in advance, appreciate.

the code like:

function window_onunload(){
alert(1);

Disconnect();

}

window.onunload=window_onunload;

if(window.attachEvent)

{

window.attachEvent("onunload",window_onunload);

}

else

{

if(window.addEventListener)

{

window.addEventListener("unload",window_onunload,false);

}

else

{

window.onunload = window_onunload;

}

08-29-2007, 3:06 PM 33057 in reply to 33056

Adam
Joined on 09-23-2003
Aurora, ON
Posts 18,678

Re: When close chat window, window.onunload() code was excuted twice

Reply Quote

Please remove the following code:

//window.onunload=window_onunload;

I will let developer aware this issue and fix it soon.

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08-29-2007, 3:37 PM 33062 in reply to 33057

JaneL
Joined on 08-29-2007
Posts 3

Re: When close chat window, window.onunload() code was excuted twice

Reply Quote

Thanks for your quick reply, Adam.

I tried to remove either this line or remove the window.attach.. lines, or even just put the code in <body onunload="window_onunload()">. In these case, the code will only triggered once (one alert shows), but looks like the chat window is not close properly: The person's record still in CuteChatClient table; And if I tried to open another chat window, that will freeze all my application running, I have kill it from windows task manager .

Any advise is very welcome, thanks very much.

08-30-2007, 2:00 PM 33104 in reply to 33062

Adam
Joined on 09-23-2003
Aurora, ON
Posts 18,678

Re: When close chat window, window.onunload() code was excuted twice

Reply Quote

JaneL ,

I just discussed it with the developer.

Please don't remove the above code.

The correct method should be:

window.onunload=window_onunload;

function window_onunload(){
   if(window.__unloadcalled)return;
   window.__unloadcalled=true;
   Disconnect();
}

08-30-2007, 3:37 PM 33118 in reply to 33104

JaneL
Joined on 08-29-2007
Posts 3

Re: When close chat window, window.onunload() code was excuted twice

Reply Quote

Adam,

Thanks. I tried your suggestion, but I got the similiar result: the record of user (dbo.cutechatclient) still here after logged out from X button. And also after I tried to log in again 3rd time, everything will be freezed, it shows: msxml3:timeout error. Any advise? Thanks again for your effort.

JaneL