Question

How to keep downloads going?

Asked by: brettr

[using asp.net 2.0]
I have 5 links on my site to download WMA files.  The user clicks link1, tells the browser where to put the file, and starts that download.  If I want the other four to follow synchronously, how can it be setup?  I'm guessing the user will have to give persmission ahead of time saying they want the other four files and where to put them.  But, I'm in a sandbox with asp.net.  How can I get all five to download one after the other with just one click (no zipping)?

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Asked On
2007-05-14 at 13:35:59ID22571566
Tags

keep

,

going

,

downloads

Topics

C# Programming Language

,

Programming for ASP.NET

,

.NET Framework 2.x

Participating Experts
2
Points
500
Comments
6

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Answers

 

by: Jon_RaymondPosted on 2007-05-14 at 15:11:47ID: 19088902

Capture the event of the first button to post back and then use code behind to get all the link.

 

by: ThogekPosted on 2007-05-14 at 15:52:02ID: 19089101

I don't think you can bounce a single link-click-resulting request around like that...

You could try a little client-side code in your page to kick each of the links when the user cilcks the first, perhaps something along the lines of:

    <script type="text/javascript">
    function startFiles(num) {
        document.getElementById('link' + num).click();
        if(num < 5)  setTimeout('startFiles(' + (num+1) + ');', 2000);
    }
    </script>
    <a id="link1" href="file1.wma" onclick="startFiles(2);">File 1</a>
    <a id="link2" href="file1.wma">File 2</a>
    <a id="link3" href="file1.wma">File 3</a>
    <a id="link4" href="file1.wma">File 4</a>
    <a id="link5" href="file1.wma">File 5</a>

 

by: brettrPosted on 2007-05-15 at 10:57:00ID: 19094784

--Thogek,
That's close.  If only there was a way to automatic the prompting and have them save into the same location.  More like a download manager.

 

by: ThogekPosted on 2007-05-15 at 11:21:19ID: 19094959

Yeah, I think you're takling something much more complex, in that case, possibly involving a third-party control (or developing your own ActiveX control).

Basically, once your server has sent back the response containing the first download file, the ball's in the browser's court, and I'm not sure that you have a way to intercept the "download-complete" event (which happens outside the browser, at that point) so as to trigger another new request for the next file, etc.

 

by: ThogekPosted on 2007-05-15 at 11:25:21ID: 19094993

Then again, if you don't mind a little work, there are some interesting ideas posted at
http://www.motobit.com/tips/detpg_multiple-files-one-request/ that might do it...

 

by: brettrPosted on 2007-05-15 at 11:39:45ID: 19095124

I like it.  Thanks.

20120131-EE-VQP-002

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