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DisplayMember and ValueMember drop-down boxes cannot be expanded when None is selected for DataSource in DemoConsole application #12990

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chaowendy opened this issue Feb 20, 2025 · 1 comment
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DisplayMember and ValueMember drop-down boxes cannot be expanded when None is selected for DataSource in DemoConsole application #12990

chaowendy opened this issue Feb 20, 2025 · 1 comment
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@Epica3055
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area-DesignerSupport 🚧 work in progress Work that is current in progress

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@chaowendy
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.NET version

main branch of WinForms repo

Did it work in .NET Framework?

Not tested/verified

Did it work in any of the earlier releases of .NET Core or .NET 5+?

No

Issue description

DisplayMember and ValueMember drop-down boxes cannot be expanded when None is selected for DataSource in DemoConsole application.

displaymember.mp4

Steps to reproduce

Test sample: DemoConsole bases on main branch in Winforms repo.

More Info:

  1. There also should be a (none) displayed in Datasource property when None is selected.
    Image
  2. The issue also repro in DataGridViewColumn.
    Image
@chaowendy chaowendy added untriaged The team needs to look at this issue in the next triage area-DesignerSupport labels Feb 20, 2025
@LeafShi1 LeafShi1 removed the untriaged The team needs to look at this issue in the next triage label Feb 21, 2025
Epica3055 added a commit to Epica3055/winforms that referenced this issue Feb 25, 2025
@Epica3055
fix dotnet#12990 DisplayMember and ValueMember drop-down boxes cannot…
7aed95f 
… be expanded when None is selected for DataSource in DemoConsole application
@Epica3055 Epica3055 mentioned this issue Feb 25, 2025
Closed
@dotnet-policy-service dotnet-policy-service bot added the 🚧 work in progress Work that is current in progress label Feb 25, 2025
Epica3055 added a commit to Epica3055/winforms that referenced this issue Feb 25, 2025
@Epica3055
fix dotnet#12990 DisplayMember and ValueMember drop-down boxes cannot…
59007d0 
… be expanded when None is selected for DataSource in DemoConsole application
Epica3055 added a commit to Epica3055/winforms that referenced this issue Feb 25, 2025
@Epica3055
fix dotnet#12990 DisplayMember and ValueMember drop-down boxes cannot…
1913404 
… be expanded when None is selected for DataSource in DemoConsole application
@Tanya-Solyanik
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@Epica3055 - this scenario requires some VisualStudio -specific services to work, we'll wait for a customer scenarios before implementing it

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@Tanya-Solyanik @LeafShi1 @Epica3055 @chaowendy