I have embedded the webBrowser control in my C# program. And I am navigating it to a page that I created where I try to invoke a download by setting my headers to this:
header("Content-type: application/x-msdownload");
header("Content-Disposition: attachment; filename=$transport_var3.xls");
print("$xlsheader\n$xlsdata");
Has anyone been successful in using Content-Disposition in IE 6.0
If so please let me know how.
Any ideas
Downloading Files through the Web Browser Control
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Downloading Files through the Web Browser Control
Steve Starck
I'd been trying to figure out why I couldn't get Internet Explorer to download a file if I used session_start(). It only happened with certain files. Here's the undocumented (I couldn't find anything on it) skinny that I've come up with:
If the content type (sent in the Content-type header) is not known to Windows AND the cache-control header contains 'no-store' or 'no-cache' I.E. will error out. I'm using WindowsXP Home and I.E. 6.0.
Both 'no-store' and 'no-cache' cause the error by themselves and individually. I've found that always replacing the header with one that excludes those lines works:
<
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
>
This error would happen when using any PHP function (or anything else for that matter) that may set 'no-store' and/or 'no-cache' in the Cache-control header. Provided the content type is not known to Windows.
E.g.
<
// this works
header("Content-type: text/plain");
header("Cache-Control: no-store, no-cache");
echo($data);
// this does not work
header("Content-type: foo/bar");
header("Cache-Control: no-store, no-cache");
echo($data);
>