Column Wizard reports an error

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Florian Groothuis

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Sep 11, 2025, 3:26:41 AMSep 11
to Migrated By Firefly
Since a few weeks (or months) the column wizard stopped working properly. When you select 1 or more items and click generate, the wizard will add one empty column and then prompts the user with this an error:

Foutmelding Wizard.png

Has the Wizard become obsolete during the VS upgrades?


Noam Honig

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Sep 11, 2025, 8:26:18 AMSep 11
to Florian Groothuis, Migrated By Firefly
This error happens when it's trying to create a new instance of the controller - to see the format and understand the column widths.

That means that some exception is thrown while it tries to do that.

My suggesting to you - Start another visual studio - and attach it in debug to the first visual studio - as you open the wizard  - then when you'll get an error - you'll get the exception in the other visual studio - and you'll be able to see what it is.

Noam Honig  
Founder & CEO


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in...@fgg.nu

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Sep 11, 2025, 9:18:14 AMSep 11
to Noam Honig, Migrated By Firefly

Hi Noam,

 

I like to point out that this occurs on all workstations with VS2022 in any application.

 

When I attach VS to a session it returns this:

 

 

So, it crashes on the initialization of the dataview? Doesn’t seem normal.

 

I still think that it has to do with compatibility with VS. I heard there are more who encounter this issue…

 

Met vriendelijke groet,

 

Florian Groothuis

 

T +31(0)6 21 927 914

 

in...@fgg.nu | LinkedIn | www.fgg.nu

 

 

LogoFggOranje

 

Op al onze diensten en producten zijn de Algemene Nederlandse ICT-voorwaarden van toepassing.

 

Van: migrated-...@googlegroups.com <migrated-...@googlegroups.com> Namens Noam Honig
Verzonden: donderdag 11 september 2025 14:26
Aan: Florian Groothuis <in...@fgg.nu>
CC: Migrated By Firefly <migrated-...@googlegroups.com>
Onderwerp: Re: Column Wizard reports an error

 

This error happens when it's trying to create a new instance of the controller - to see the format and understand the column widths.

That means that some exception is thrown while it tries to do that.

 

My suggesting to you - Start another visual studio - and attach it in debug to the first visual studio - as you open the wizard  - then when you'll get an error - you'll get the exception in the other visual studio - and you'll be able to see what it is.


Noam Honig  

Founder & CEO

 

 

On Thu, Sep 11, 2025 at 10:26AM Florian Groothuis <in...@fgg.nu> wrote:

Since a few weeks (or months) the column wizard stopped working properly. When you select 1 or more items and click generate, the wizard will add one empty column and then prompts the user with this an error:

 

 

Has the Wizard become obsolete during the VS upgrades?

 

 

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Noam Honig

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Sep 11, 2025, 9:49:42 AMSep 11
to in...@fgg.nu, Migrated By Firefly
This error is very specific and is a great hint.

Just to verify further, try commenting out this relations.Add (that references Application) - rebuild this project, and try the exact same column wizard - does  it work for you?

This is not the solution, just a diagnostic stage.

More diagnostic stages - do you get the same error - with code that just went out of the migration? (re open a rar file that you have, built and try)

Did you change the way the projects reference each  other and build?


Noam Honig  
Founder & CEO

in...@fgg.nu

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Sep 15, 2025, 7:20:26 AMSep 15
to Noam Honig, Migrated By Firefly

Hi Noam,

 

If I comment out the Relations.Add() and use the Column Wizard again I get the same error:

 

 

But this time the attached VS doesn’t report it…

 

Met vriendelijke groet,

 

Florian Groothuis

 

T +31(0)6 21 927 914

 

in...@fgg.nu | LinkedIn | www.fgg.nu

 

 

LogoFggOranje

 

Op al onze diensten en producten zijn de Algemene Nederlandse ICT-voorwaarden van toepassing.

 

image001.png
image002.png
image003.png
image004.png
image005.png
image006.png
image007.png

Steve Burrows

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Sep 15, 2025, 10:24:38 AMSep 15
to in...@fgg.nu, Noam Honig, Migrated By Firefly
Have you tried deleting all your ,vs folders and rebuilding.
I know its a pain (I need to do it soon as I have a similar issue, but its a between jobs task) and it sounds like "turn it off and on again", but it has helped us in the past.

in...@fgg.nu

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Sep 16, 2025, 3:52:22 AMSep 16
to Steve Burrows, Noam Honig, Migrated By Firefly

Next step:

 

  • Remove .vs-folders
  • Run buildDebug
  • Run buildRelease
  • Open first VS-session
  • Open solution (Relations.Add() is still commented out)
  • Open second VS-session
  • Attach first VS session in second VS-session
  • Use the column wizard

 

The Wizard freezes.

 

 

After closing this window the error appears:

 

 

 

The second VS-session doesn’t report anything.

 

If I do the same procedure again, but now with Relations.Add() back in play then the second VS-session jumps in:

 

 

 

Details attached…

 

Met vriendelijke groet,

 

Florian Groothuis

 

T +31(0)6 21 927 914

 

in...@fgg.nu | LinkedIn | www.fgg.nu

 

 

LogoFggOranje

 

Op al onze diensten en producten zijn de Algemene Nederlandse ICT-voorwaarden van toepassing.

 

image001.png
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image007.png
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image009.png
Details.txt
CallStack.txt
ShowDetails.png

Noam Honig

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Sep 16, 2025, 6:01:01 AMSep 16
to in...@fgg.nu, Migrated By Firefly
Hi Florian,

Please provide the info for my other questions:

"
More diagnostic stages - do you get the same error - with code that just went out of the migration? (re open a rar file that you have, built and try)

Did you change the way the projects reference each  other and build?
"


Noam Honig  
Founder & CEO

in...@fgg.nu

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Sep 16, 2025, 7:43:25 AMSep 16
to Noam Honig, Migrated By Firefly
I found a version from October 2024, I believe right from the migration.
Unzipped it, built it and opened the same view to try the Column Wizard:




Attached to a second VS-session it gives the same error:







Met vriendelijke groet,

Florian Groothuis

T +31(0)6 21 927 914

in...@fgg.nu <mailto:in...@fgg.nu> | LinkedIn
<https://www.linkedin.com/in/floriangroothuis/> | www.fgg.nu
<http://www.fgg.nu/>




Op al onze diensten en producten zijn de Algemene Nederlandse
ICT-voorwaarden
<https://www.nextlevelprojects.nl/NederlandICTVoorwaarden.pdf> van
toepassing.

Van: migrated-...@googlegroups.com
<migrated-...@googlegroups.com> Namens Noam Honig
Verzonden: dinsdag 16 september 2025 12:00
Aan: in...@fgg.nu
CC: Migrated By Firefly <migrated-...@googlegroups.com>
Onderwerp: Re: Column Wizard reports an error

Hi Florian,

Please provide the info for my other questions:
"
More diagnostic stages - do you get the same error - with code that just
went out of the migration? (re open a rar file that you have, built and try)

Did you change the way the projects reference each other and build?
"


Noam Honig
Founder & CEO
www.fireflymigration.com <http://www.fireflymigration.com/>

<http://www.youtube.com/fireflymigration>
<http://www.linkedin.com/company/firefly-migration/>


On Mon, Sep 15, 2025 at 2:20 PM <in...@fgg.nu <mailto:in...@fgg.nu> > wrote:
Hi Noam,

If I comment out the Relations.Add() and use the Column Wizard again I get
the same error:



But this time the attached VS doesn’t report it…

Met vriendelijke groet,

Florian Groothuis

T +31(0)6 21 927 914

in...@fgg.nu <mailto:in...@fgg.nu> | LinkedIn
<https://www.linkedin.com/in/floriangroothuis/> | www.fgg.nu
<http://www.fgg.nu/>




Op al onze diensten en producten zijn de Algemene Nederlandse
ICT-voorwaarden
<https://www.nextlevelprojects.nl/NederlandICTVoorwaarden.pdf> van
toepassing.

Van: Noam Honig <no...@fireflymigration.com
<mailto:no...@fireflymigration.com> >
Verzonden: donderdag 11 september 2025 15:49
Aan: in...@fgg.nu <mailto:in...@fgg.nu>
CC: Migrated By Firefly <migrated-...@googlegroups.com
<mailto:migrated-...@googlegroups.com> >
Onderwerp: Re: Column Wizard reports an error

This error is very specific and is a great hint.

Just to verify further, try commenting out this relations.Add (that
references Application) - rebuild this project, and try the exact same
column wizard - does it work for you?

This is not the solution, just a diagnostic stage.

More diagnostic stages - do you get the same error - with code that just
went out of the migration? (re open a rar file that you have, built and try)

Did you change the way the projects reference each other and build?


Noam Honig
Founder & CEO
www.fireflymigration.com <http://www.fireflymigration.com/>

<http://www.youtube.com/fireflymigration>
<http://www.linkedin.com/company/firefly-migration/>


On Thu, Sep 11, 2025 at 4:18 PM <in...@fgg.nu <mailto:in...@fgg.nu> > wrote:
Hi Noam,

I like to point out that this occurs on all workstations with VS2022 in any
application.

When I attach VS to a session it returns this:



So, it crashes on the initialization of the dataview? Doesn’t seem normal.

I still think that it has to do with compatibility with VS. I heard there
are more who encounter this issue…

Met vriendelijke groet,

Florian Groothuis

T +31(0)6 21 927 914

in...@fgg.nu <mailto:in...@fgg.nu> | LinkedIn
<https://www.linkedin.com/in/floriangroothuis/> | www.fgg.nu
<http://www.fgg.nu/>




Op al onze diensten en producten zijn de Algemene Nederlandse
ICT-voorwaarden
<https://www.nextlevelprojects.nl/NederlandICTVoorwaarden.pdf> van
toepassing.

Van: migrated-...@googlegroups.com
<mailto:migrated-...@googlegroups.com>
<migrated-...@googlegroups.com
<mailto:migrated-...@googlegroups.com> > Namens Noam Honig
Verzonden: donderdag 11 september 2025 14:26
Aan: Florian Groothuis <in...@fgg.nu <mailto:in...@fgg.nu> >
CC: Migrated By Firefly <migrated-...@googlegroups.com
<mailto:migrated-...@googlegroups.com> >
Onderwerp: Re: Column Wizard reports an error

This error happens when it's trying to create a new instance of the
controller - to see the format and understand the column widths.

That means that some exception is thrown while it tries to do that.

My suggesting to you - Start another visual studio - and attach it in debug
to the first visual studio - as you open the wizard - then when you'll get
an error - you'll get the exception in the other visual studio - and you'll
be able to see what it is.


Noam Honig
Founder & CEO
www.fireflymigration.com <http://www.fireflymigration.com/>

<http://www.youtube.com/fireflymigration>
<http://www.linkedin.com/company/firefly-migration/>


On Thu, Sep 11, 2025 at 10:26 AM Florian Groothuis <in...@fgg.nu
<mailto:in...@fgg.nu> > wrote:
Since a few weeks (or months) the column wizard stopped working properly.
When you select 1 or more items and click generate, the wizard will add one
empty column and then prompts the user with this an error:



Has the Wizard become obsolete during the VS upgrades?


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Noam Honig

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Sep 16, 2025, 8:22:47 AMSep 16
to in...@fgg.nu, Migrated By Firefly
Ok,

Please open an issue for that, include the exact designer you were opening and running into the issue and we'll take a look at it as soon as we're available

Noam Honig  
Founder & CEO
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Noam Honig

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Sep 18, 2025, 5:51:46 AMSep 18
to Migrated By Firefly
Hi All,

I believe I found the issue - it had to do with reference to Application.xxx in the InitializeDataView of certain controller.

I've added soime code to  `AbstractFactory.cs` class in env that solved this - you can find it at:

https://gist.github.com/noam-honig/14626d4fb1ee38a35d6e1cc21d4660c3#file-abstractfactory-cs-L37-L92
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