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425
Grid very slow refresh/paint after scroll
posted

Use: WinGrid 2012.2 (latest servicerelease)

After loading 8000+ rows in the grid, the cells of the grid repaints itself very slow.

E.g.: if I scroll to the middle part of all results I can move the mouse cursor over the cells and each of those cells refreshes/repaints itself during the mouse hover.

When this happens all of the visible cells will very slowly continu to update theirself.

If I minimize or just change the size of my form the grid refreshes itself and all of the cells immediately display the correct data.

It doesn't seem to matter if I set the load property to Load on Demand or Preload All Rows.

Can someone give me some advise.

Please let me know if more information is required.

  • 53790
    posted

    Hi,

    If you need any additional assistance don’t hesitate to ask.

    Regards

  • 469350
    Suggested Answer
    Offline posted

    Hi,

    Could you post a small sample project demonstrating the issue? I tried it out and the grid performance is just fine for me. In fact, it's fine for me with a lot more than 8000 rows.

    This could be caused by any number of factors like the grid hierarchy, your data source, the size of the grid on the screen, etc. There are too many variables to account for, so if you could provide a sample so that we are both using the exact same project that would narrow it down quite a bit.