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UltraWinGrid.UltraCombo: Checkbox in header extremely slow?
posted

I'm using UltraWinGrid.UltraCombo to display a table where the user can check/uncheck each row individually which works fine. But the header checkbox to select all/none items is extremely slow when the table contains a few thousand rows.

Am I doing something wrong?

I have attached a small sample project (VS2010) which demonstrates the problem.

Thanks in advance - and merry christmas :)

 

/Klaus

DropdownTest.zip
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  • 71886
    Offline posted

    Hello Klaus,

    I believe that this is expected since the 'UltraCombo' control is filling the 'CheckedRows' collection with every checked item after clicking in the header checkbox. This means that there will be a loop from '0' to '5000' items in your case. This collection has been added for comfort. If you want to have an immediate checking process of the items you might want to consider using the 'UltraWinGrid' control for that matter.

    Please do not hesitate to contact us if you need any additional assistance.

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