Solved

Close popup window after server processing

Posted on 2006-07-02
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196 Views
Last Modified: 2012-06-21
Hi,

I have a webpage(.aspx) where users can upload images.
I am using javascript to pop up a clientside window(saying "Please wait") when the user clicks on "Upload".
This upload button also triggers a postback to the server so image type checking can be performed and the image uploaded.
My problem is once the server is done processing the image and returns the .aspx page to the user how can I close the "Please wait" window?

I have seen similar posts suggesting this method:

MyWin = window.open()

and then

MyWin.close()

The opening bit works but then if I put the close bit in the page load handler of the .aspx page it doesn't work.
Does the javascript variable persist through postbacks? I don't know javascript at all.

Cheers
0
Comment
Question by:nathc100
  • 2
5 Comments
 
LVL 5

Expert Comment

by:bastibartel
ID: 17052693
Hi there,

Make sure that the variable is outside the function opening the window,
so that it is still know upon re-entry of the function.

<script>
var MyWin;

function OpenIt()
{
    MyWin = window.open()
}
</script>
0
 

Author Comment

by:nathc100
ID: 17096886
Thanks bastibartel,

But didn't seem to work.

I ended up using RegisterStartupScript('CloseUp') in my code behind to call the javascript procedure.
And then in CloseUp() I did something like window.Open('',popup) then popup.close
Syntax is not correct just remembering off the top of my head.
0
 
LVL 5

Expert Comment

by:bastibartel
ID: 17097049
Hi nathc100

The following works for me (on IE)
( needs a html document "./popup.html" which opens in popup window. )


<html>
<script type="text/javascript">
var MyWin;
function PopOn()
{   MyWin = window.open("./popup.html", "WaitWindow", "width=200,height=100,left=100,top=200");}

function PopOff()
{  MyWin.close();}
</script>

<body>
<a href="main.html" onCLick="PopOn(); return false"> please pop up</a>
<br>
<a href="main.html" onCLick="PopOff(); return false"> please close</a>
</body>
</html>


Cheers,
Sebastian
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