Is there any way to virtualize the items in a RadComboBox?

5 posts, 1 answers
  1. Thomas Whittaker
    Thomas Whittaker avatar
    34 posts
    Member since:
    Sep 2009

    Posted 08 Jun 2010 Link to this post

    I have a RadComboBox that is bound to a user-defined set of items.  In some cases, the number of items that can be loaded exceeds 1000 items and I have found that when I click on the arrow to drop down the RadComboBox, it takes a very long time to load and consumes a large amount of memory.  Is there any way to virtualize the RadComboBox in this case?
  2. tungnt185
    tungnt185 avatar
    40 posts
    Member since:
    Aug 2009

    Posted 09 Jun 2010 Link to this post

    Hi Thomas
    I think you can see this: http://www.telerik.com/community/forums/silverlight/combobox/how-to-set-max-dropdown-width.aspx
    But I've saw Telerik team not recommend for ItemsSource exceed 1000 items.
    You can try this for comparing.

    Regards.
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  4. Answer
    Konstantina
    Admin
    Konstantina avatar
    2332 posts

    Posted 09 Jun 2010 Link to this post

    Hi Thomas,

    You can also refer to this help article: http://www.telerik.com/help/silverlight/radcombobox-howto-virtualization.html

    If you need further assistance please let us know.

    Greetings,
    Konstantina
    the Telerik team

    Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking system and vote to affect the priority of the items.
  5. Thomas Whittaker
    Thomas Whittaker avatar
    34 posts
    Member since:
    Sep 2009

    Posted 15 Jun 2010 Link to this post

    Konstantina,

    That was EXACTLY what I was looking for.  I vaguely recalled having read that somewhere in the past in your docs, but couldn't find it right away.  Thanks for the help!

    -Tom
  6. Jonathan Miller
    Jonathan Miller avatar
    57 posts
    Member since:
    Jun 2008

    Posted 28 Feb 2011 Link to this post

    <Like> button clicked, thanks!
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