[Mono-bugs] [Bug 533435] New: DataGridView poor performance when setting dataGridView.Columns[].AutoSizeMode

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Fri Aug 21 17:03:01 EDT 2009


           Summary: DataGridView poor performance when setting
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.4.x
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: vvitafresh at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---

Created an attachment (id=314615)
 --> (http://bugzilla.novell.com/attachment.cgi?id=314615)
Demonstrates poor performance

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:
Gecko/2009073022 Firefox/3.0.13 (.NET CLR 3.5.30729)

I have DataGridView bound to DataTable with a number of records > 5000. If we
set dataGridView.Columns[1].AutoSizeMode =
DataGridViewAutoSizeColumnMode.DisplayedCells; there is about 20 seconds delay
on Core2Duo 3 GHz. 

More records results to much longer delays, see attachment. 

Reproducible: Always

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