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DhtmlxGrid performance issue

Hi all,
I'm having trouble optimizing loading data from xml. The xml file size is about 900 kb (30 columns, 800 rows) and the overall loading process take about 28 seconds with IE8 and 15 seconds with FireFox with smart rendering enabled. Yet the server replies within 35 ms. Is it normal that the rendering takes so long? Is there any other possibility to further enhance the performance. I tried using both smart rendering and distributed parsing but no performance gain and ended up crashing with IE7 (but not with IE6, IE8 and FireFox).

I would also like to know if there is any intermediate states fired during the grid loading process between XLS and XLE. If yes, how to capture them?

Thank you.

Have you tried to implement dynamic smart rendering? In such case only those rows are loaded which should be displayed to the user. Please find more information here http://dhtmlx.com/dhxdocs/doku.php?id=dhtmlxgrid:toc_dhtmlxgrid_step_by_step