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Rowstyle performance in a GDBG

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36696 Nov 8,2005 09:13 AM UTC Nov 8,2005 10:09 AM UTC WinForms 2
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Tags: GridControl
Tomas
Asked On November 8, 2005 09:13 AM UTC

I have some problems with slow perfomance using rowstyles in a GridDataBoundGrid. If I add the following code into the QueryCellInfo event the grid gets so slow that it is hard to work with it: if((e.RowIndex > 0) && (e.RowIndex < currentGridModel.RowCount)) { if((Convert.ToInt32(currentGridModel[e.RowIndex,17].CellValue) == 0)) { e.Style.ReadOnly = false; } else { e.Style.ReadOnly = true; e.Style.BackColor = Color.White; } e.Handled = true; } I already have other style changes made in this event without any major performance issues, and the grid contains no more than 200 rows. I can see the same tendence with the last row to which I have added bold and italic style. It always feel more slow than an ordinary row when I scroll it into view etc. Any ideas about what I can do to speed things up?

Tomas
Replied On November 8, 2005 09:21 AM UTC

I forgot to say that the above code is placed within an if-statement looking like this: if(e.ColIndex == -1) I do this to know that is it a specific rowstyle I''m working with.

Tomas
Replied On November 8, 2005 10:09 AM UTC

I have solved this issue. Instead of fetching validation values from the grid, as this probably triggers even more events, I changed the code to get them from the datasource instead and gained LOTS of performance.

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