Slow Performance when include RadRating Control in RadGrid

2 posts, 0 answers
  1. ezequiel
    ezequiel avatar
    8 posts
    Member since:
    Sep 2019

    Posted 26 Sep 2019 Link to this post

    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 versión of dlls is 2014

    Any suggestions?


    Thank you,
    kind regards

  2. Rumen
    Rumen avatar
    14323 posts

    Posted 01 Oct 2019 Link to this post

    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:

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

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

    • 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.


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