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Thread: Grid scrolling problem

    You found a bug! We've classified it as EXTJS-27235 . We encourage you to continue the discussion and to find an acceptable workaround while we work on a permanent fix.
  1. #1
    Ext JS Premium Member dtex-lab's Avatar
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    Default Grid scrolling problem

    Hi,
    The problem occurs when the store has many rows and the property enableLocking of the Grid is filled to true using store pageSize = 0

    If you scroll on the bottom of the grid you will see a blank area below the last row and when the scroll reaches that area in
    the browser console is shown the following error:

    Uncaught TypeError: Failed to execute 'setStartBefore' on 'Range': parameter 1 is not of type 'Node'.
    at constructor.scroll (ext-all-debug.js?rM=1:216837)
    at constructor.onRangeFetched (ext-all-debug.js?rM=1:239994)
    If u fill the property enableLocking to false the problem does not comes.

    The problem occurs both on Ext 6.5.3 and in Ext 6.6.0

    The fiddle which shows the problem is:
    https://fiddle.sencha.com/#view/editor&fiddle/2j2v

    Note:
    1) The problem occurs also using pageSize = 100, so not only using pageSize = 0
    2) if user will lock a column, later in Chrome all seems works fine.
    Also if at least one column is initially "locked: true" seems all working (in Chrome)
    In Firefox persists the blank area below the last row
    we make IT work for you

  2. #2
    Sencha Premium Member
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    Default

    I'm also having this same issue - if I do not specify a locked column (I'd like to leave that up to the user) I get scrolling errors. It goes away when you lock a column.

  3. #3
    Sencha Premium User
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    Default

    We are experiencing the same issue.

    I took the liberty to change the fiddle and added a grid working with having a locked column. We currently do this in our system. but it is really a silly workaround. See fiddle: https://fiddle.sencha.com/#view/editor&fiddle/2knd

  4. #4
    Sencha - Support Team bjdurham85's Avatar
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    Default

    Hi--,

    Thanks for the info. It would appear there is an open bug for this in our tracking system. I've gone ahead and added this info and linked to this thread.

    Best!
    Bryan

  5. #5
    Sencha Premium User
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    Default

    Hi, can you please link to the open bug? I am also experiencing this on a tree grid with many open items nodes.

  6. #6
    Sencha - Support Team bjdurham85's Avatar
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    Default

    The bug ID should be linked at the top but it's EXTJS-27235.

  7. #7
    Ext JS Premium Member dtex-lab's Avatar
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    Default

    Quote Originally Posted by bjdurham85 View Post
    The bug ID should be linked at the top but it's EXTJS-27235.
    Hi, just to let you know which the problem was reported on 6 Jul 2018, right now we're in March 2019.

    And in the latest Ext release (6.7) the bug is still there.

    Sencha, where are you?
    we make IT work for you

  8. #8
    Sencha Premium User
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    Default

    There are problems with the scroll position when refresh the store in the enableLocking grids. Please, solve it or give us a solution or enableLocking grids are unusable.
    -------------------------------------
    SQL Server expert consultant.
    ExtJS developer from ExtJS 1.0 version to now.
    Java developer.


    Working as freelance and in my own company from 1.999
    https://www.linkedin.com/in/cesarzea/
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