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Thread: Grid with large dataset scrolls slow

  1. #1
    Ext JS Premium Member
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    Mar 2011
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    Default Grid with large dataset scrolls slow

    We are using a locking+paging grid with 60+ columns (100 rows per page). There is an initial lag of a few seconds during horizontal and vertical scrolling. Using the IE developer tools profiler, it had been identified that the hotspot is in a function h which invokes setEvent.

    Can anyone help us understand what's causing the issue and what the fix could be?
    Thanks in advance.

  2. #2
    Sencha User jay@moduscreate.com's Avatar
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    Mar 2007
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    16,364

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    Grid panels will be slow on IE. 60+ columns is a lot of DOM to render on screen

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