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RadComboBox Slow

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ComboBox
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mishta
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mishta asked on 19 Mar 2010, 08:39 PM
Hello,

I'm new to Silverlight and I seem to be having a performance issue with the RadComboBox control.  I am loading about 3,000 records from a wcf ria service into the combobox and it takes several seconds when you click on it for it to expand and list the contents.  The query itself seems to return after about a second, so I'm not sure what's going on.

The same databind on the radgrid shows up almost immediately with no lag when scrolling all 3000+ records.


Any ideas?


Thanks!

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Konstantina
Telerik team
answered on 22 Mar 2010, 02:37 PM
Hello mishta,

Thank you for your interest in our controls.

The RadComboBox has a virtualization support. You can read more about virtualization in this help article.

Hope that helps.

If you have further questions please feel free to contact us again.

Kind regards,
Konstantina
the Telerik team

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