RadWindow as Modal dialog has different background in IE and Chrome

5 posts, 0 answers
  1. Kashif Imran
    Kashif Imran avatar
    29 posts
    Member since:
    Apr 2009

    Posted 12 Apr 2010 Link to this post

    Issue 1:
    I am using RadWindow to show a modal dialog. In all browsers except IE I get right behavior i.e. you can still see the parent page, just cant click on it. But in IE, color is so dark it hides the parent page. Attached are pictures showing the difference. Any idea why is it happening.

    Issue 2:
    Interestingly I am using exact same code in another page and there I get correct background in all browsers and you can see parent page in all browsers when dialog is open. But when I close dialog window, it scrolls the parent page to the top. Even though there is no refresh or anything on window close.

    Would appreciate any help. thanks.
  2. Manuel Ortiz
    Manuel Ortiz avatar
    68 posts
    Member since:
    Aug 2009

    Posted 12 Apr 2010 Link to this post

    Hi, I am experiencing the same problem and found out that this happens when the page is more than 4000px tall... Apparently it is a browser limitation of IE 8.0... I hope someone comes up with a solution.

    -Manuel
  3. Georgi Tunev
    Admin
    Georgi Tunev avatar
    7207 posts

    Posted 14 Apr 2010 Link to this post

    Hi guys,

    This usually happens with Desktop PCs / laptops with older version of the DirectX driver or video card. The  problem itself is related to the DirectX CSS filters under IE - we use them in order to achieve a transparent modal overlay in IE. The other browsers do not use that Activex component, as they have utilized pure css opacity, and respectively the problem does not occur.
    In this case I recommend you reduce the page size in order to make the page works properly. Also, you can use a non-modal RadWindow control and avoid using any animation on the page. All of the transparency animations use the same DirectX filters under IE and may cause the same problem.

    Kashif, regarding your second question - how do you open the RadWindow?

    Regards,
    Georgi Tunev
    the Telerik team

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  4. Monsi Lache
    Monsi Lache avatar
    10 posts
    Member since:
    Oct 2012

    Posted 22 Dec 2010 Link to this post

    To add to Georgi's comment I also found that these IE settings will do the trick:

    Open IE -> Internet Options->Security->Trusted Sites->Custom Level

    Enable the following ActiveX setting:

    Enable - Binary and script behaviors

    Hope this helps!
  5. Georgi Tunev
    Admin
    Georgi Tunev avatar
    7207 posts

    Posted 23 Dec 2010 Link to this post

    Hello Monsi,

    Thank you for the feedback - I am sure it will be of help to other customers experiencing the same problem.
    Your points were updated.


    Kind regards,
    Georgi Tunev
    the Telerik team
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