WebGrid 10 - IE 11 UI performance issues while scrolling, loading group rows, etc

4 replies. Last post: March 13, 2017 1:24 PM by Mike Dearman
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Mike DearmanMember

I have a grid with 10 columns and 250 rows approximately.  It is grouped by 1 column that has about 4 group headers in it.  Any time I scroll the grid table, IE takes a long time (up to 10 seconds) to scroll around.

Using the UI Responsiveness tool in the Developer Toolbar, it seems to spend a lot of time in the IE Layout event (per the screenshot).  It takes about 850ms per layout event to spin through the grid cells, etc.

Have you seen this with other projects/applications and is there a resolution?
I prepared a sample.   If you open this in IE it is really slow.  Chrome seems to handle it okay.

Mike

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