BUG: Binding-error with NumericUpDown on TabPage

[Michael Maes]

Hello,

Binding the Value-Property of a NumericUpDown-Control (using DataBindings):

Dim bndNBRtechniciansForService As Binding = New Binding("Value", Me.dvInstallations, "NBRtechniciansForService")
AddHandler bndNBRtechniciansForService.Format, AddressOf NullToIud
AddHandler bndNBRtechniciansForService.Parse, AddressOf IudToDB
Me.iudNBRtechniciansForService.DataBindings.Add(bndNBRtechniciansForService)
produces the following exception:
An unhandled exception of type 'System.Exception' occurred in system.windows.forms.dll
Additional information: DataBinding could not find a row in the list that is suitable for all bindings
This occurs only if you close (dispose) the form (instance 1) and re-open it (new instance 2) AND you didn't activate the tab (on instance 1) containing the NUD-Control.

If you just click the tab containing that control before you close the form and then re-open a new instance of the form, there is not problem at all.

I think it has something to do with the TabPageControl re-binding but can't seem to find any input on that.

The controls are bound to a DataView
I use vb.NET 2003 ent. arch
XP SP1a

Any suggestions (like a work-arround) wuold be very nice,


Michael

 

[Miha Markic]

Hi Michael,

There seems to be some features when binding checkboxes, controls on
tabpages...
Did you try removing all bindings and events manually in OnClosing method?
Also, you might read this thread:
http://groups.google.com/groups?hl=...e=UTF-8&oe=UTF-8&as_ugroup=*dotnet*&lr=&hl=en

--
Miha Markic - RightHand .NET consulting & software development
miha at rthand com

Hello,

Binding the Value-Property of a NumericUpDown-Control (using DataBindings):

Dim bndNBRtechniciansForService As Binding = New Binding("Value",
Me.dvInstallations, "NBRtechniciansForService")
AddHandler bndNBRtechniciansForService.Format, AddressOf NullToIud
AddHandler bndNBRtechniciansForService.Parse, AddressOf IudToDB
Me.iudNBRtechniciansForService.DataBindings.Add(bndNBRtechniciansForService)
produces the following exception:
An unhandled exception of type 'System.Exception' occurred in
system.windows.forms.dll
Additional information: DataBinding could not find a row in the list that is
suitable for all bindings
This occurs only if you close (dispose) the form (instance 1) and re-open it
(new instance 2) AND you didn't activate the tab (on instance 1) containing
the NUD-Control.

If you just click the tab containing that control before you close the form
and then re-open a new instance of the form, there is not problem at all.

I think it has something to do with the TabPageControl re-binding but can't
seem to find any input on that.

The controls are bound to a DataView
I use vb.NET 2003 ent. arch
XP SP1a

Any suggestions (like a work-arround) wuold be very nice,


Michael

 

[Michael Maes]

Hi Miha,

I forced the BindingContext of the TabControl as suggested (before creating
the Bindings)

tabPage.BindingContext = Me.BindingContext

This "seems" to be a workaround for me.

Thanks alot,

Michael



"Miha Markic" <miha at rthand com> wrote in message
| Hi Michael,
|
| There seems to be some features when binding checkboxes, controls on
| tabpages...
| Did you try removing all bindings and events manually in OnClosing method?
| Also, you might read this thread:
|
http://groups.google.com/groups?hl=...e=UTF-8&oe=UTF-8&as_ugroup=*dotnet*&lr=&hl=en
|
| --
| Miha Markic - RightHand .NET consulting & software development
| miha at rthand com
|
| | Hello,
|
| Binding the Value-Property of a NumericUpDown-Control (using
DataBindings):
|
| Dim bndNBRtechniciansForService As Binding = New Binding("Value",
| Me.dvInstallations, "NBRtechniciansForService")
| AddHandler bndNBRtechniciansForService.Format, AddressOf NullToIud
| AddHandler bndNBRtechniciansForService.Parse, AddressOf IudToDB
|
Me.iudNBRtechniciansForService.DataBindings.Add(bndNBRtechniciansForService)
| produces the following exception:
| An unhandled exception of type 'System.Exception' occurred in
| system.windows.forms.dll
| Additional information: DataBinding could not find a row in the list that
is
| suitable for all bindings
| This occurs only if you close (dispose) the form (instance 1) and re-open
it
| (new instance 2) AND you didn't activate the tab (on instance 1)
containing
| the NUD-Control.
|
| If you just click the tab containing that control before you close the
form
| and then re-open a new instance of the form, there is not problem at all.
|
| I think it has something to do with the TabPageControl re-binding but
can't
| seem to find any input on that.
|
| The controls are bound to a DataView
| I use vb.NET 2003 ent. arch
| XP SP1a
|
| Any suggestions (like a work-arround) wuold be very nice,
|
|
| Michael
|
|