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[Solved] radcombobox in grid causing slow scripting

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Crystal
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Crystal asked on 26 Mar 2008, 05:45 PM
I'm wanting to accomplish the following and perhaps I'm  not headed down the right path.

I have a radgrid I put on my contentpage that will contain approx 60 rows. I want all the rows to always be in edit mode. I initally used the GridDropDownColumn but instead changed it to use GridTemplateColumns with a RadComboBox inside the template. I have 4 of these comboboxes for each row (along with a label and checkbox).

2 of the 4 comboboxes will be populated at run time. It works but when I do that it runs INCREDIBLY slow
I can see all the grid and controls loaded but my page isn't available yet and then I'll start getting IE7 Messages asking:
Stop running this script?
A script ont he page is causing Internet Explorer to run slowly. If it continues to run you computer may become unresponsive.

I click through several of those messages and it will eventually load. I've also commented my code out when populating those 2 comboboxes at runtime and I do NOT get the IE error messages but it still is too slow.

What can I do to speed this up?

Thanks!

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Simon
Telerik team
answered on 31 Mar 2008, 08:14 AM
Hello Crystal,

With such high number of RadComboBoxes on the page this behaviour is quite normal and could not be avoided in a straightforward manner.

One thing you could do in your case in order to decrease the heavy load time is to use Load-On-Demand mechanism (Load-On-Demand Overview) to load data in the RadComboBoxes.

I hope this helps.

Kind regards,
Simon
the Telerik team

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