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

[Ivan N. Zlatev]

On Thu, Feb 26, 2009 at 1:46 PM, W Allan Edwards
<silicon_plains at hotmail.com> wrote:
> Yes, the DataGridView works now on 2.4 BUT I had a bug back on the 1.9
> version where when I clicked on a tree node it would not select properly.  I
> then moved to 2.2  and that fixed that issue.  Now on 2.4 the tree node
> click issue is back! : - )

Then this is a regression and you should most definitely file it as
such right now (put Regression in the title of the bug) as there isn't
much time left until the 2.4 release.

>
> -A-
>
>> Date: Thu, 26 Feb 2009 13:21:10 +0000
>> From: contact at i-nz.net
>> To: wallanedwards at gmail.com
>> CC: mono-list at lists.ximian.com; mono-winforms-list at lists.ximian.com
>> Subject: Re: [Mono-list] Bug? DataGridView on Mono Crashes (or locks
>> rather)... does not occur on Microsoft platforms
>>
>> 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
>> _______________________________________________
>> Mono-list maillist - Mono-list at lists.ximian.com
>> http://lists.ximian.com/mailman/listinfo/mono-list
>
> _______________________________________________
> Mono-list maillist  -  Mono-list at lists.ximian.com
> http://lists.ximian.com/mailman/listinfo/mono-list
>
>



-- 
Kind Regards,
Ivan N. Zlatev