Parent webpage disappears with modal window

2 posts, 0 answers
  1. TheMilkMan
    TheMilkMan avatar
    7 posts
    Member since:
    Aug 2006

    Posted 07 Oct 2010 Link to this post

    I have a webpage that has a RadGrid on it (among other controls) and display a modal window when the user submits data. If the rows on the grid are less than 100 rows it all works fine. But if the row count is greater than 100 (or somewhere around 100, haven't got it to an exact figure) the parent webpage's control etc. all disappear and only once the modal window is closed does the parent window redisplay correctly.
    Any ideas?

    I am using the following javascript to display the window:

     

    function OpenValidationWindow() {
        oWnd = window.radopen('../MarketDataPriceInputValidation.aspx', null);
        oWnd.show();
        oWnd.set_behaviors(Telerik.Web.UI.WindowBehaviors.Close);
        oWnd.SetSize(625, 600);
        //Adjust position of validation window
        oWnd.MoveTo(162.5, 110);
        //Set the callBack function to be called once the user has clicked on a button on the validation window
        oWnd.add_close(OnValidationWindowClose);
    }

     

     

  2. Georgi Tunev
    Admin
    Georgi Tunev avatar
    7207 posts

    Posted 08 Oct 2010 Link to this post

    Hello,

    Do you get this problem on a laptop or a PC with old videocard? I am asking this because such problem usually occurs when the page is displayed on machines where the card is either old or the video drivers are outdated. The reason for the problem is that for the modal overlay in IE, we are using CSS filter which is a DirectX object. If there is a lot of content on the page, the browser might not be able to properly show the filter applied over the modal overlay and will make it solid instead of semi-transparent. Try updating your drivers / DirectX version and see if it helps.


    Best wishes,
    Georgi Tunev
    the Telerik team
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