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Performance issue in IE7 with RadGrid

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Nileshkumar
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Nileshkumar asked on 07 Jun 2012, 09:49 AM
Hi, I'm using RadGrid, to show a list of transactions. In one of the scenarions, we have to show nearly 2000 records to the user at the same time, on click of search button.

When we execute this functionality in IE8, IE9 it works perfectly and the page is rendered in 5-6 seconds, but if we use the same code in IE7 then the page takes more than 30 seconds to render.  Once the page is loaded at client side, if we try to scroll the page then the browser hangs and we have no other option but to kill the browser process.

I am not sure why there is so much difference in performance in IE7 and IE8.

Any assistance in this problem would be of great help.

 
Thanks
Nilesh Patel.

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Maria Ilieva
Telerik team
answered on 12 Jun 2012, 07:54 AM
Hi Nileshkumar,

Basically, the performance of the control is dependent on many factors, the two most important being the number of rows and columns rendered in the control. Have you considered taking advantage of the custom paging feature of our web grid? Thus only a subset of records visible on the rendered page will be fetched from the underlying source.
Also please have in mind that the IE7 Javascript engine is slower.

For various performance hints, please refer to the links below:
http://www.telerik.com/help/aspnet-ajax/gridoverview.html (Chapter "Performance tips and tricks")
http://www.telerik.com/products/aspnet-ajax/resources/top-performance.aspx
http://www.telerik.com/support/aspnet-ajax.aspx (Section "Performance")




Regards,
Maria Ilieva
the Telerik team
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Maria Ilieva
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