HTMLPlaceHolder - HTML content render on top of silverlight content

9 posts, 0 answers
  1. Giovanni Vriens
    Giovanni Vriens avatar
    8 posts
    Member since:
    Mar 2010

    Posted 02 Jun 2010 Link to this post

    Hey,

    I used RadHTMLPlaceHolder to display HTML content,  I set Windowless parameter to true to get mouse event works on my page. now the problem is HTML content render on top of the silverlight content. see the attached image, silvelight right click render behind the HTML content.

    I have read some article on internet suggesting that, if windowless parameter is set to true then HTML content render on top of the silverlight content. i want silverlight content to render on top of the HTML content plus wanna keep windowless parameter to be true.

    is there anyway that i can get rid of this issue ?

    thanks,

    Piyush
  2. Valentin.Stoychev
    Admin
    Valentin.Stoychev avatar
    2198 posts

    Posted 02 Jun 2010 Link to this post

    Hi Giovanni Vriens,

    Unfortunately no - the html content will always appear above the whole SL application. This is a known limitation and there is no technical way to workaround it for the moment.

    Sincerely yours,
    Valentin.Stoychev
    the Telerik team

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  4. Stephen
    Stephen avatar
    14 posts
    Member since:
    Jul 2010

    Posted 17 Sep 2010 Link to this post

    We are encountering this issue at the moment as well. Have there been any updates to this limitation since June?
  5. Leo Hernandez
    Leo Hernandez avatar
    3 posts
    Member since:
    Mar 2009

    Posted 21 Sep 2010 Link to this post

    I was actually hoping SL4 would offer a way to do this without going OOB but that just was not the case...I love your solution because it is creative, but I wish MS would give us a better way of doing this. You will notice that if you have the HtmlPlaceholder on a form then resize your browser, it really throws things off...
  6. Tina Stancheva
    Admin
    Tina Stancheva avatar
    3298 posts

    Posted 23 Sep 2010 Link to this post

    Hello Leo Hernandez,

    The RadHtmlPlaceholder control is essentially an IFRAME element that is positioned above the Silverlight plugin. Thus, besides hiding it by setting its Visibility property to "Collapsed", there is not much we can do to make it render behind any Silverlight element. This is an inherent restriction of the HtmlPlaceholder control and although we are looking for possible resolutions, unfortunately we are still not aware of ways to work around it.

    Kind regards,
    Tina Stancheva
    the Telerik team
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  7. Mark
    Mark avatar
    9 posts
    Member since:
    Aug 2012

    Posted 12 Nov 2010 Link to this post

    Hi Guys

    While it is not a silution, a work-around if to show the content in layers and make the placeholder visible / invisible as and when it is needed.

    My code has a placeholder that runs an ASPX application and I need to play a video instruction set.  this is done by making the placeholder invisible while the media player is playing...

    Sorry - this is the only solution I can come up with...

    --Mark
  8. Licenses
    Licenses avatar
    10 posts
    Member since:
    Sep 2011

    Posted 17 Sep 2015 in reply to Mark Link to this post

    Hi, ​some solution?

     

     

  9. Licenses
    Licenses avatar
    10 posts
    Member since:
    Sep 2011

    Posted 17 Sep 2015 in reply to Tina Stancheva Link to this post

    Hi, some solution?
  10. Martin
    Admin
    Martin avatar
    1099 posts

    Posted 18 Sep 2015 Link to this post

    Hello,

    No, currently RadHtmlPlaceHolder behaves in the same manner as Tina explained. The html content is rendered in an IFrame element which is positioned over the Silverlight plugin which is the reason why the described behavior is observed.

    Regards,
    Martin
    Telerik
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