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HomeHomeUsing DNN Platf...Using DNN Platf...Skins, Themes, ...Skins, Themes, ...Frinedly URLs affecting IE PNG fixFrinedly URLs affecting IE PNG fix
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8/7/2008 11:46 AM
 
Roumen Stoyanov

Joined: 12/23/2004
Posts: 5

Hello everyone,

I am using the IE (5.5/6) PNG fix form Angus Turnbull (www.twinhelix.com) to round module corners with transperant PNG files. The fix seems to be working fine as long as Friendly URLs are disabled from the Host menu. It took me awhile to identify Friendly URLs as the root cause and not using them is not an option.

 
This is a sample code from the container.css:
 
.containertopleft
{
       behavior: url(iepngfix.htc);
       background: url(images/cont-top-left.png);
       height: 21px;
       width:22px;
}
 
iepngfix.htc and the blank image file it needs are in the root folder (where default.aspx is). It appears as whenever Friendly URLs are used, the path to iepngfix.htc changes and it is not being called (I added some
 
New Post
8/7/2008 12:11 PM
 
Sebastian Leupold


Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212

you might precede both urls with a "/" to use server absolute paths

Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

Speed up your DNN Websites with TurboDNN
 
New Post
8/7/2008 1:56 PM
 
Roumen Stoyanov

Joined: 12/23/2004
Posts: 5

Thanks, but it didn't seem to make a difference.

Actually, changing it to behavior

: url(/iepngfix.htc); does not work even with Friendly URLs off.

The only thing that seems to affect the png fix is the Friendly URL setting.

Roumen
 
New Post
8/7/2008 2:31 PM
 
Roumen Stoyanov

Joined: 12/23/2004
Posts: 5
I’m sorry, I can’t provide an online demo, but here’s a sequence of events describing the behavior (Friendly URLs are enabled):
 
Action
PNG Fix Working?
URL in Address Bar
Click page/tab link on menu
No
/DNN/Home/Dashboard/tabid/98/Default.aspx
Switch the page to Edit mode
Yes
/DNN/Default.aspx?TabId=98
Switch to View mode
Yes
/DNN/Default.aspx?TabId=98
Refreshing the page form the browser's Refresh button
Yes
/DNN/Default.aspx?TabId=98
Click page/tab link on menu
No
/DNN/Home/Dashboard/tabid/98/Default.aspx
 
Thank you.
 
Roumen
 
New Post
8/7/2008 3:53 PM
Accepted Answer 
Joe Brinkman


Joe Brinkman's Avatar

blog.theaccidentalgeek.com
Joined: 5/18/2003
Posts: 2356

The url(iepngfix.htc) is using a relative URL.  So if you look at the URL in the address bar you will end up with following URLs

/DNN/Home/Dashboard/tabid/98/iepngfix.htc - BAD
/DNN/iepngfix.htc - GOOD
/DNN/iepngfix.htc - GOOD
/DNN/iepngfix.htc - GOOD
/DNN/Home/Dashboard/tabid/98/iepngfix.htc - BAD

Adding a preceding / to make it App relative may not work as it will look for /iepngfix.htc which is not really what you want.  So you can change your CSS instead to use url(/DNN/iepngfix.htc).  This is fine as long as your dev/QA/staging/production environments are all using the /DNN virtual directory.  A more flexible solution would be to write a rule for the rewriter which looked for the iepngfix.htc and rewrote the url accordingly.

Joe Brinkman
DNN Corp.
 
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