GridView Scrollbar bug

5 posts, 0 answers
  1. Alex
    Alex avatar
    141 posts
    Member since:
    Mar 2010

    Posted 03 Nov 2010 Link to this post

    Bug: Can't "unclick"/release a scrollbar (Only tested with the vertical scroll bar)

    My Telerik.windows.controls.gridview version is 2010.2.812.1040


    Cause
    1. Have a grid view with enough items such that it creates a scroll bar
    2. Click and hold the scroll bar
    3. Whilst you are holding the scroll bar, some event should block access to the grid. (e.g. I have a busy indicator around the grid and the IsBusy becomes true the false)

    You are now unable to release the scroll bar, and it is in a permanently "clicked" state
  2. Yordanka
    Admin
    Yordanka avatar
    634 posts

    Posted 05 Nov 2010 Link to this post

    Hi Alex,

    Can you give us some more details about point 3 - how exactly are you setting IsBusy="True" upon scrolling the grid ? It will be best if you send us a sample application (via support ticket) where we will be able to debug and investigate the problem. Thank you.

    All the best,
    Yordanka
    the Telerik team
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  4. Alex
    Alex avatar
    141 posts
    Member since:
    Mar 2010

    Posted 07 Nov 2010 Link to this post

    I am setting it off with a DataLoading event from my client side data source (That links to RIA) and it is bound to the DataSource.IsBusy
    (A similar issue also occurs when moving a radwindow, if you loose focus whilst holding down and moving the window, you can't let go of it)
  5. Yordanka
    Admin
    Yordanka avatar
    634 posts

    Posted 09 Nov 2010 Link to this post

    Hi Alex,

    Unfortunately, we are unable to reproduce your case so is it possible to send us a sample application that demonstrate it ? In this way we will be able debug the problem and to provide you with appropriate solution. To do this you need to open a separate support ticket and to attach your application there. 

    Regards,
    Yordanka
    the Telerik team
    Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking system and vote to affect the priority of the items
  6. Nachiket
    Nachiket avatar
    15 posts
    Member since:
    Jul 2012

    Posted 24 Jan 2013 Link to this post

    Hi Alex, 
    I think I know the problem you are talking about.
    It is easy to replicate with a RadGridView which is used with VirtualQueryableCollectionView, When you scroll UP or DOWN the grid, and you have Scroll back pushed with mouse button, the problem appears when VirtualCollectionView starts reading data for the scrolled region and Busy indicator kicks in. 

    Try the ScrollMode= Deferred instead of Realtime as work around to this problem

    Hope it helps

    Cheers,
    Nachiket
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