Does the VirtualQueryableCollectionView also support sorting, filtering and grouping of data?

15 posts, 0 answers
  1. Todd Millett
    Todd Millett avatar
    115 posts
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    Jul 2009

    Posted 10 Jan 2011 Link to this post

    Does the VirtualQueryableCollectionView support sorting, grouping and filtering of data with GridView?
  2. Vlad
    Admin
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    11100 posts

    Posted 10 Jan 2011 Link to this post

    Hi,

     You can check this blog post for more info. Our service pack will be released officially this week (hopefully!). 

    Regards,
    Vlad
    the Telerik team
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  4. Todd Millett
    Todd Millett avatar
    115 posts
    Member since:
    Jul 2009

    Posted 10 Jan 2011 Link to this post

    Will the service pack also have support for Grouping of data with VirtualQueryableCollectionView?
  5. Vlad
    Admin
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    11100 posts

    Posted 10 Jan 2011 Link to this post

    Hello,

     No. Currently this is not supported. 

    Regards,
    Vlad
    the Telerik team
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  6. Jonx
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    Jul 2012

    Posted 03 Feb 2011 Link to this post

    Ok that does answer a question I had...

    I did bind the VQCV to a grid and when trying to group by a column, the collection seems to stop loading the empty lines.
    That's all it has to do, load the lines that are visible and that are still empty.

    Nothing that can be done?

    Is this feature planed? Would be awesome... s this would solve the problem we all (*I*) have with grouping...
  7. Todd Millett
    Todd Millett avatar
    115 posts
    Member since:
    Jul 2009

    Posted 04 Feb 2011 Link to this post

    Is it supported in the current release. Also whether the Grouping is supported in the current release and if not any plans to release it in the future releases. Do you have any workaround for the grouping thing. Also I would like to know whether the filtering and grouping would be client side i.e it would applicable for only the records loaded in the grid, or for each filtering the server request would be sent?
  8. Vlad
    Admin
    Vlad avatar
    11100 posts

    Posted 04 Feb 2011 Link to this post

    Hello,

     Currently the grouping is client-side (not server-side calls) and everything else will raise ItemsLoading event. Virtualization of groups is not yet implemented and will not be a trivial task - especially server-side grouping with aggregates.

    We will continue to research the problem and if we find a way to implement this we will add this functionality for sure. 

    Kind regards,
    Vlad
    the Telerik team
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  9. Nicolas
    Nicolas avatar
    3 posts
    Member since:
    Nov 2010

    Posted 22 Feb 2011 Link to this post

    Hello.
    The "
    group by" Is expected shortly with the
     VirtualQueryableCollectionView ?
    Thank you.

  10. Rossen Hristov
    Admin
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    2478 posts

    Posted 22 Feb 2011 Link to this post

    Hi Nicolas,

    As my colleague pointed out "we will continue to research the problem and if we find a way to implement this we will add this functionality". Therefore we are not even sure if currently there is a way to do this on the server.

    It is not expected shortly and we unfortunately we cannot commit to a specific time-frame for an huge feature like this.

    Thank you for your understanding.

    All the best,
    Ross
    the Telerik team
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  11. David
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    Member since:
    Mar 2011

    Posted 25 Jul 2011 Link to this post

    In the release Q2, is there the feature for grouping in VirtualQueryableCollectionView implemented?
    -> Or is there a time frame, when this huge issue will be implemented?

    thanks for any comments about this...

    kind regards.
    dave
  12. Rossen Hristov
    Admin
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    2478 posts

    Posted 25 Jul 2011 Link to this post

    Hi David,

    Unfortunately, it turns out that this cannot be implemented easily.

    Thank you for your understanding.

    Best wishes,
    Ross
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  13. Jonx
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    258 posts
    Member since:
    Jul 2012

    Posted 25 Jul 2011 Link to this post

    Hello Ross,
    Is there a way to contact you privately on that forum (it's work related ;) )?
    Thanks,
    John.
  14. Rossen Hristov
    Admin
    Rossen Hristov avatar
    2478 posts

    Posted 26 Jul 2011 Link to this post

    Hello John,

    The forums are public, so I don't believe that there is a private way of communication in them. Why don't you open a new support ticket?

    Kind regards,
    Ross
    the Telerik team

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  15. Steffen
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    4 posts
    Member since:
    Apr 2012

    Posted 14 May 2012 Link to this post

    Hi,
    any news here? Server side grouping would be a great benefit for the VirtualQueryableCollectionView.
    (We need grouping in the WPF GridView)
    Did you find a way to implement this?

    Best regards,
    Steffen
  16. Dimitrina
    Admin
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    3769 posts

    Posted 14 May 2012 Link to this post

    Hi,

    Grouping is possible only locally on the client since there is no way to transfer groups from the server to the client. 

    Regards,
    Didie
    the Telerik team

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