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Thread: Potential EXT 4.0.2a bug with desktop example

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  1. #1

    Default Potential EXT 4.0.2a bug with desktop example

    Steps to recreate from Desktop Example:

    1. add an 'Ext.selection.CheckboxModel' to the grid in the Grid Window
    2. Close the window
    3. If you try to open the window again, you get an error stated below.

    Error: "header is null" from javascript command 'delete header.width;'

    Using FF5 with EXTJS 4.0.2a on a Windows 7 machine.

  2. #2
    Sencha User
    Join Date
    Dec 2010


    So far i'v seen a lot of posts about not working components in deskop example after u try to reopen a window in it. Seems like deskope example is simply broken or a funcion responsible for closking modules is not working as it suppose to.

    table headers,
    tree grid,
    those are only three components that are not working properly with it.

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