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We are using csspie.htc and currently placed it in _layouts folder, because that's where it gets referenced properly.

However, other users with more limited-access (Read) seems to not be able to properly read the csspie.htc? For example, the rounded corners are not getting rounded.

Can anyone help solve this?

Thank you!

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  • Added some additional tags.
    – Sig Weber
    Commented Sep 18, 2014 at 18:23

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Did you check if it is indeed pie.htc which doesn't load or maybe the CSS file referencing it?

I've been using CSSPIE for years with SharePoint 2007/2010/2013 even on sites with anonymous access enabled without issues.

The first thing I would check is the HTTP request pipeline using a tool like Fiddler or the IE F12 developer tools.

Since you didn't mention the SharePoint version, if SP 2013 make sure it's at the right place in /_layouts/15/...

I usually put pie.htc inside the /_layouts/15/styles folder on SP 2013 and /_layouts/styles on SP 2010.

UPDATE

Based on your comment it sounds like the CSS is loading fine, but pie.htc just doesn't take.

Using Fiddler should tell you what kind of access error on pie.htc occurs. Is it a 404 (not found) or a 401 (access denied).

If a 401, how did you deployed pie.htc? If you copied it manually check if the SharePoint Web Application Pool account does have proper permissions to read the file. I've seen it happen occasionally that the file permissions didn't match.

If a 404, how does your line in the CSS file look like? Something like behavior: url("/_layouts/styles/pie.htc") should work. Using an absolute path like behavior: url("http://server/site/_layouts/styles/pie.htc") can get you in trouble depending on the IE security zone settings.

Also, try to avoid using a relative path like behavior: url("../_layouts/styles/pie.htc") as it might fail on list view and form pages because they are a level deeper.

Last but not least, since you mention it fails on some users, make sure to test on a single machine with the same IE using two different users, by logging out/in using the SharePoint Welcome dropdown menu (the one showing the user name on the top right).

Also, make sure the users where it fails are running IE in the "IE 8 compatibility" mode. This should be the default for SP 2010 except you modified the masterpage.

I know, lots of things to check but it could be several things ;-)

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  • Thanks Sig! We are using SharePoint 2010. Hmm, I'm 90% sure its the pie.htc that is not being referenced, because everything else (fonts, styling, etc) are loaded properly. I'll do the HTTP request pipeline inspection! Will report back the results / if I solve it. Thanks!
    – Water
    Commented Sep 18, 2014 at 15:07
  • See my updated answer, I've added a few more things to check.
    – Sig Weber
    Commented Sep 18, 2014 at 18:01
  • Hi Sig! Just an update, I'm not sure why but before in order to test different users, I was doing this: 1) Right-click IE, run as different user, input login details of Read-Only user 2) Log-In to SP as the Read-Only user However, I skipped step 1, and then logged in as the Read-Only user to SP. And it worked!!! The pie.htc is loading properly. Do you know why that might have happened?
    – Water
    Commented Sep 19, 2014 at 2:21

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