PivotGrid slow to render on IE10

2 posts, 0 answers
  1. Kevin
    Kevin avatar
    2 posts
    Member since:
    Mar 2014

    Posted 11 Mar 2014 Link to this post

    The PivotGrid on my webpage is running very slowly when using Internet Explorer 10.  However, the performance is greatly improved when using Firefox instead.

    As Internet Explorer 10 is part of my company's SOE, is there anything that can be done to improve the performance of the PivotGrid when using IE10 as the browser?
  2. Galin
    Admin
    Galin avatar
    526 posts

    Posted 17 Mar 2014 Link to this post

    Hello Kevin,

    Could you please describe a bit more the scenario in which you observe this slowness? In case there is a big record set with not many matches in columns and rows, this slowness is expected, as this results in creating a quite large pivotized table. Our tests show that the PivotGrid can handle 10 000 columns with 10 rows ~ 100 000 cells for 10 seconds. On the server side these cells have corresponding objects which are generated for ~ 2 second, so the other 8 seconds goes to the browsers rendering engines. This test is performed on IE7, which cannot render such a big table fast. In modern browsers the results are better.

    However I suggest you the following performance optimizations:
     - Enable the paging - this will decrease the number of items loaded at once
     - Set the width of the columns, e.g.
    <ColumnHeaderCellStyle Width="100px" />

    In case the issue persists could please start a formal support ticket and send a runnable project, so we can replicate the issue on our side.

    Regards,
    Galin
    Telerik
     

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