[Mono-winforms-list] [Mono-list] Bug? DataGridView on Mono Crashes (or locks rather)... does not occur on Microsoft platforms

Ivan N. Zlatev contact at i-nz.net
Thu Feb 26 08:21:10 EST 2009

Please try using Mono 2.4 RC1 . There were *many* changes related to
databinding and DGV that were done during the 2.4 development cycle.
If you still experience problems then please file a bug
(http://mono-project.com/Bugs) so I/we can look at it.

On Thu, Feb 26, 2009 at 1:17 PM, W Allan Edwards
<silicon_plains at hotmail.com> wrote:
> I appear to have found a bug in the mono stack?  Or was it a design
> implementation choice?
> Here is the scenario... I pull data from a database, then load up a Dataset
> then find it to a Datagridview.  Then I substitute textual values inside of
> that grid based on the numeric values in the grid.  I do this "after" I have
> already bound the DataSet table to the DataGridView.
> On the Microsoft side (Vista) this error does not occur... or no lock up.
> The DataTable "object" the datagridview is bound to simply updates to the
> underlying table data changed on the fly.  When you run the commented lines
> of code the application on Mono will lock up and just stop execution.  I get
> no exception thrown or any clue as to what is going on.  The app just locks,
> I have to manually kill the process.  I changed the code just to update the
> grid cell directly and it works fine on both platforms for display purposes.
> // Commented code that locks on linux
> //BoundDataSet.Tables[0].Rows[i][DataGridViewColumnIndexToConvert] =
>                           //  DisplayValue;
> // Uncommented code below runs on both mono and the Microsoft stack no
> problems as expected
> oDataGridView.Rows[i].Cells[DataGridViewColumnIndexToConvert].Value =
>                             DisplayValue;
> Version information for reproduction
> OpenSuse 11.1 32-bit Linux, Mono 2.2 (freshly released and installed)
> Microsoft Windows Vista Home Premium edition 32-bit, .NET 2.0 framework
> compilation for all libs
> Algorithmic scenario
> 1 - Pull db data
> 2 - Bind to DataGridView
> 3 - Update numeric values in the underlying bound DataTable bound to the
> Grid (originally via the DataTable, now just the Grid Display Cell value)
> Thanks,
> -A-
> _______________________________________________
> Mono-list maillist  -  Mono-list at lists.ximian.com
> http://lists.ximian.com/mailman/listinfo/mono-list

Kind Regards,
Ivan N. Zlatev

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