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Load all Items Silently [optimize]

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ComboBox
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Aivan Monceller
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Aivan Monceller asked on 15 Apr 2010, 06:15 PM
Hi All,

I have a combobox which is on the edittemplate of a gridview. The configuration of my combobox is Automatic Load on Demand. Every time I click the edit button on my gridview the combobox loads all items then expands the list. Is there way to load the items silently by not expanding the list and disable the control to prevent the user in entering text while loading for the first time.

The combobox has the setting filtering="contains" and contains ~30,000 items from an sqldatasource. It's slow, Is there a way to speed up the loading of this huge amount of list.

Thank You,
Aivan

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Aivan Monceller
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answered on 16 Apr 2010, 11:43 PM
just a bump
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Simon
Telerik team
answered on 19 Apr 2010, 09:36 AM
Hello Aivan Monceller,

RadComboBox does not automatically expand its drop down when Items are loaded unless it receives focus. From your description I could not understand whether this happens in your case.

Additionally there was a bug in RCB which caused all Items to be loaded on the first Items request when the RCB was inside a Grid and was configured for Automatic Load On Demand. We fixed the bug in the latest SP release.

So can you please provide more details about your Grid implementation and/or send me a sample page showing the issue? Then can you confirm that the version of Telerik.Web.UI you are using is the latest official SP - 2010.1 415?

Regards,
Simon
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ComboBox
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Aivan Monceller
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Aivan Monceller
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Simon
Telerik team
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