I want selection on the client to cascade down, preferably while allowing ctrl-clicks

2 posts, 0 answers
  1. C
    C avatar
    43 posts
    Member since:
    Jul 2013

    Posted 02 Mar 2015 Link to this post

    In my tree, the leaves are the data carriers, but I want a click on a particular node to (visually) select itself and all its descending nodes. I am then using the list of selected nodes in an Ajax request.

    But I haven't been able to figure out how to accomplish this.

    I started out by selecting all the node's children:

    var toSelect = !node.get_selected();

    if (toSelect)

     children.forEach(function(child) {
                    if (toSelect )

    This does indeed select all the nodes. The problem though, is that it does not show (they don't turn blue). So I was looking for a way to do this through the Telerik client side API, but failed. So I turned to Jquery:

    var tree = $find("rtCustomerGroups");
    var nodes = tree.get_nodes();

    nodes.forEach(function(node) {
    if (node.get_selected())

    The problem with this approach is that, while it works visually, the browser does not seem to like it - as it's complaining (sometimes) with a typeError saying addClass/removeClass aren't functions.

    This also breaks the javascript as the next line, calling the Ajax function, never gets run.

    This really bugs me, as the selection really works the way I want, including multi selection with ctrl click.

  2. Bozhidar
    Bozhidar avatar
    1102 posts

    Posted 03 Mar 2015 Link to this post


    This thread is identical to the following one:

    I'm closing this one and would ask you to continue the discussion in the other thread.


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  3. UI for ASP.NET Ajax is Ready for VS 2017
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