JScript runtime error when using popup Web Control and RadAjaxLoadingPanel to update RadGrid

4 posts, 0 answers
  1. Nicos
    Nicos avatar
    2 posts
    Member since:
    Apr 2012

    Posted 04 May 2012 Link to this post

    i am using a popup web control as the edit form for my rad grid. i added  a RadAjaxLoadingPanel and a RadAjaxManager to display progress for a slow-loading combobox. now, when i attempt to close or click "cancel" in my web control i get the error below:

    Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: A control with ID 'ctl00$ContentPlaceHolder1$RadGridProductionOrders$ctl00$ctl06$Detail10$ctl12$EditFormControl$RadComboBoxItemCodeFilters' could not be found for the trigger in UpdatePanel 'ctl00$ContentPlaceHolder1$RadGridProductionOrders$ctl00$ctl06$Detail10$ctl12$EditFormControl$PanelMainPanel'.
  2. ALEX
    ALEX avatar
    61 posts
    Member since:
    Feb 2011

    Posted 06 May 2012 Link to this post

    Hi Nicos,

               If you use two ajax manager on your main page and popup you'll get that error. Please check this doc. RadControls for ASP.NET AJAX Documentation.

    Hope this help.

  3. Nicos
    Nicos avatar
    2 posts
    Member since:
    Apr 2012

    Posted 07 May 2012 Link to this post

    thanks, that worked, i replaced the RadAjaxManager with a RadAjaxManagerProxy, but now the loading panel does not appear. are you able to just copy the markup from within the <AjaxSettings> block from the RadAjaxManager to the RadAjaxManagerProxy?
  4. Andrey
    Andrey avatar
    836 posts

    Posted 10 May 2012 Link to this post


    You could check this online demo application which demonstrates scenario with RadAjaxManagerProxy and RadAjaxLoadingPanel.

    If this does not help you resolve the issue, please, share your full page code including the code-behind.
    All the best,
    the Telerik team
    If you want to get updates on new releases, tips and tricks and sneak peeks at our product labs directly from the developers working on the RadControls for ASP.NET AJAX, subscribe to their blog feed now.
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