Columns in tree view

17 posts, 1 answers
  1. Roland
    Roland avatar
    156 posts
    Member since:
    Feb 2009

    Posted 12 Aug 2009 Link to this post

    Hello,

    Im trying to create a tree view where each node has several columns like First name, Last name, email. However I would like them to be displayed like columns and share the size.

    Is this possible ?


  2. Answer
    Jordan
    Admin
    Jordan avatar
    547 posts

    Posted 13 Aug 2009 Link to this post

    Hello Roland,

    A tree view with columns is generally called a tree list control. Unfortunately we have already planned other tasks with higher priority so I cannot give you a specific time frame about when such a control will be available. In the mean time any suggestions or feature requests that you might have about a tree list control are most welcome.

    Kind regards,
    Jordan
    the Telerik team

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  3. Joe Aubin
    Joe Aubin avatar
    9 posts
    Member since:
    Sep 2006

    Posted 09 Jul 2010 Link to this post

    Has any additional thought been given to this request? I need/want to do exactly this as well and it is very difficult to try and implement it by hand.
  4. Vassil Petev
    Admin
    Vassil Petev avatar
    1765 posts

    Posted 13 Jul 2010 Link to this post

    Hello Joe Aubin,

    We haven't received much requests about a tree list control, and as a result this suggestion is with lower priority at the moment. Our Q3 meeting is next week and I will bring this suggestion up again, however chances are slim that it will make it for Q3.

    We will be happy to raise its priority if we get more requests about it.


    Greetings,
    Vassil
    the Telerik team
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  5. Roland
    Roland avatar
    156 posts
    Member since:
    Feb 2009

    Posted 13 Jul 2010 Link to this post

    Regarding  number of requests. Depending on overall usage of you PITS system, but tree list has 17 requests.
    http://www.telerik.com/support/pits.aspx#/public/aspnet-ajax/not-scheduled

    Button has 26. They are in Unscheduled section where items with < 9 votes were added to Q2. Now the real question is ? Why bother voting if no one takes that into consideration ?

    Also many people dont vote, but sure will use new controls.
  6. Vassil Petev
    Admin
    Vassil Petev avatar
    1765 posts

    Posted 13 Jul 2010 Link to this post

    Hi Roland,

    Thank you for the insight.

    The PITS was introduced a few months ago and does not take into account the requests that we have logged before it went public. This is the reason for the discrepancy.


    Sincerely yours,
    Vassil
    the Telerik team
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  7. Roland
    Roland avatar
    156 posts
    Member since:
    Feb 2009

    Posted 13 Jul 2010 Link to this post

    Thanks for the update.

    You have mentioned Q3 meeting. Can you mention RadButton during the meeting ? PITS has all the details and I BET a lot of people will find that VERY USEFULL !
  8. Kristoffer
    Kristoffer avatar
    158 posts
    Member since:
    Dec 2012

    Posted 25 Feb 2013 Link to this post

    Sure would be nice with a Telerik tree list view like this one:
    http://www.codeproject.com/Articles/14741/Advanced-TreeView-for-NET

  9. Ivan Petrov
    Admin
    Ivan Petrov avatar
    701 posts

    Posted 28 Feb 2013 Link to this post

    Hello Kristoffer,

    Thank you for writing.

    The tree list view is achieved through RadGridView's Self-reference hierarchy. You can read more on this topic in our online documentation - Self-Referencing hierarchy.

    I hope this will be useful. Should you have further questions, I would be glad to help.

    All the best,
    Ivan Petrov
    the Telerik team
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  10. Kristoffer
    Kristoffer avatar
    158 posts
    Member since:
    Dec 2012

    Posted 28 Feb 2013 Link to this post

    Thanks, looks great! Does Self-referencing work together with "load on demand"? I.e. If I self-reference parent with ID=123, can I make sure the children of ID=123 are populated when the node is first expanded?
  11. Ivan Petrov
    Admin
    Ivan Petrov avatar
    701 posts

    Posted 01 Mar 2013 Link to this post

    Hi Kristoffer,

    Thank you for writing back.

    Self-reference grid and load on demand work in different ways and they cannot be combined. You will have to use either one or the other.

    I hope this is informative. Feel free to write back with any further questions.

    Kind regards,
    Ivan Petrov
    the Telerik team
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  12. Mike
    Mike avatar
    1 posts
    Member since:
    Aug 2013

    Posted 26 Dec 2013 Link to this post

    What's the current status of this item?  I have the same requirement as the OP in this thread.


  13. Ivan Petrov
    Admin
    Ivan Petrov avatar
    701 posts

    Posted 27 Dec 2013 Link to this post

    Hello Mike,

    Thank you for writing.

    As there are a couple of questions in this thread here is their current status:
     - a tree list control can be achieved through RadGridView self-referencing hierarchy.
     - load on demand and self-reference cannot work together as they use different internal mechanisms in RadGridView.

    I hope this is informative. Do not hesitate to write back with further questions.

    Regards,
    Ivan Petrov
    Telerik
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  14. Tom
    Tom avatar
    6 posts
    Member since:
    Dec 2010

    Posted 21 Jun in reply to Ivan Petrov Link to this post

    Hello Ivan!

    Four years later ... 

    I disagree. The title of this forum is 'columns in treeview' and Jordan from the telerik team explained Roland: "A tree view with columns is generally called a tree list control". IMHO the self-referencing treeview doesn't meet the requirement.

    There is (was?) a multicolumn treelist in ASP / WPF, or ma I wrong?
    I would need it in WinForms.

    Any plans ? Or did I miss something?

    Kind regards,

    Tom

     

  15. Dess
    Admin
    Dess avatar
    1937 posts

    Posted 21 Jun Link to this post

    Hello Tom, 

    Thank you for writing.  

    Currently, Telerik UI for WinForms suite doesn't offer a RadTreeList control.  I have logged it in our feedback portal and I have added a vote for it on your behalf. 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.

    Currently, the possible solution that I can suggest is to use RadGridView with self-reference hierarchy http://docs.telerik.com/devtools/winforms/gridview/hierarchical-grid/self-referencing-hierarchy

    I hope this information helps. Should you have further questions I would be glad to help.

    Regards,
    Dess
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  16. Bao
    Bao avatar
    9 posts
    Member since:
    Jan 2015

    Posted 12 Jul in reply to Dess Link to this post

    I am working with Gridview self referencing hierarchy, but i want to have the behavior about adding new child as same as add child node in TreeView. Is it possible ?
  17. Hristo
    Admin
    Hristo avatar
    947 posts

    Posted 13 Jul Link to this post

    Hello Bao,

    Thank you for writing.

    RadGridView follows a different model compared to RadTreeView and in order to set up a self-referencing hierarchy, one cannot follow the same approach as with the tree. An example of how the hierarchy can be configured is available in the article my colleague already posted: http://docs.telerik.com/devtools/winforms/gridview/hierarchical-grid/self-referencing-hierarchy.

    I hope this information is useful. Should you have further questions please do not hesitate to write back.

    Regards,
    Hristo
    Progress Telerik
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