RadVirtualGrid resize column perfomance

2 posts, 1 answers
  1. Vitaliy
    Vitaliy avatar
    10 posts
    Member since:
    Mar 2018

    Posted 03 Apr 2018 Link to this post

    Hi.

    I found RadVirtualGrid fires CellValueNeeded everytime, when user resize some column. So resizing isn't smooth, especially when grid is expanded to fullscreen.

    Why so? Column resizing doesn't changing cell values, just their appearance, and there is no needing to aplly new value. Is there a way to awoid firing CellValueNeeded on every column resize event?

  2.
  3. Answer
    Dess | Tech Support Engineer, Sr.
    Admin
    Dess | Tech Support Engineer, Sr. avatar
    3016 posts

    Posted 05 Apr 2018 Link to this post

    Hello, Vitaliy,   

    Due to the virtualization mechanism that RadVirtualGrid currently uses, when you resize the columns, some of the columns may become invisible and other may get visible. That is why the CellValueNeeded event is triggered to ensure that the proper values will be displayed within the cells. However, I have logged it in our feedback portal in order to investigate if it is possible to improve the virtualization mechanism in this case.. You can track its progress, subscribe for status changes and add your comments on the following link - feedback item.

    I have also updated your Telerik points.

    I hope this information helps. If you have any additional questions, please let me know. 

    Regards,
    Dess
    Progress Telerik
    Try our brand new, jQuery-free Angular components built from ground-up which deliver the business app essential building blocks - a grid component, data visualization (charts) and form elements.
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