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Slow Performance when include RadRating Control in RadGrid

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ezequiel
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ezequiel asked on 26 Sep 2019, 06:37 PM

We have a RadGrid that include a column with RadRating control. 

Our problem is that Grid takes too much time to load in the browser (aprox 8 seconds). 

The ItemTemplate contains only a TextBlock and a RadRating Control.

When i remove the RadRating , the grid load normally (1 second).

The RadGrill run at server and use OnNeedDataSource. And the versiĆ³n of dlls is 2014

Any suggestions?

 

Thank you,
kind regards

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Rumen
Telerik team
answered on 01 Oct 2019, 11:35 AM

Hi Ezequiel,

My recommendations are:

  • Pfollow the RadGrid optimization guidelines at Grid Performance Optimizations. Make sure that the debugging is disabled in the web.config:

      <system.web>
        <compilation debug="false" />
      </system.web>
  • Switch to Lightweight rendering and test again. Set RenderMode="Lightweight" in the web.config globally for all Telerik AJAX components:

    Web.config:
    <appSettings>
        <add key="Telerik.Web.UI.RenderMode" value="lightweight" />
    </appSettings>

  • Upgrade to the latest version 2019.2.817 (R3 2019) to ensure support for the modern browsers as well as benefit from better stability and performance improvements.

 

Regards,
Rumen
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