Show empty group expander image for rows without children rows

3 posts, 1 answers
  1. Stefan Plattner
    Stefan Plattner avatar
    4 posts
    Member since:
    Jul 2012

    Posted 21 May 2010 Link to this post

    I have a hierarchical (rows + children rows) RadGridView. I'm already using the ViewCellFormatting event in order to display my own [+] and [-] images.

    Is there a way to know if a "parent" row has no children rows the event handler, so I can set an empty image in the first place? That way the user has a visual clue that the row doesn't need to be expanded.


  2. Answer
    Alexander
    Admin
    Alexander avatar
    306 posts

    Posted 21 May 2010 Link to this post

    Hello Stefan Plattner,

    Thank you for your question.

    Please, consider this Knowledge Base article regarding expanding/collapsing an image in hierarchical RadGridView. You can find a method in it for checking if a parent row has children.

    Please, feel free to write back if you have further questions.

    Kind regards,
    Alexander
    the Telerik team

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  3. Fanie
    Fanie avatar
    7 posts
    Member since:
    Apr 2016

    Posted 29 Mar 2018 in reply to Alexander Link to this post

    Thanks that worked for me.
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