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[Solved] RadControls load very slowly in IE

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Abdul
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Abdul asked on 12 Jun 2009, 01:17 PM

Hello,

I am using RadControls Q3 2007 in my .NET web application.  On one of the pages I have 7 RadCombo boxes, 2 Grids, 10 text boxes and around 10 labels.  On selection change of one of the combo boxes I make an ajax call (Rad Ajax) and populate rest of the controls.  The page takes around 7 seconds to reload (IE 6 and 7 browser).  I checked that the time taken for server side processing is less than a second.  More then 6 seconds are taken by the browser to render the page.  I checked this with FireFox 3.0.6 and it takes not more then 3 seconds.

I also noticed that even if I replace the ajax call back with full post back then also the page keeps on that long to load.

Can you please help me find the reason for this delay in IE and show me the way to solve it?

Thank you very much.
Best regards,
Abdul

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Paul
Telerik team
answered on 16 Jun 2009, 01:30 PM
Hi Abdul,

In general IE is slower than Firefox when it comes to rendering speed. In addition, your menu is not so simple, because actually you are generating a lot of menu items. For details on how to optimize our controls please refer to Top Performance page.

Greetings,
Paul
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