[10.0.100-preview.7.25372.102] error MC3063 for "Property 'ColumnDefinitions'/'RowDefinitions' does not have a value" will be thrown if WPF app has empty <Grid.ColumnDefinitions>/<Grid.RowDefinitions> defined

[Junjun-zhao]

Description

When retargeting third part application to .NET 10 with dotnet-sdk-10.0.100-preview.7.25372.102, the WPF apps build failed with below error:

error MC3063: Property 'ColumnDefinitions' does not have a value.
or
Property 'RowDefinitions' does not have a value.

Reproduction Steps

Minimal Repro steps (Demo attached) ：
The machine has dotnet-sdk-10.0.100-preview.7.25372.102 installed.
1.Create a .NET 9 WPF project.
2. Add the <Grid.ColumnDefinitions> or <Grid.RowDefinitions> define in MainWindow.xaml:

<Grid>
    <Grid.ColumnDefinitions>
    </Grid.ColumnDefinitions>
</Grid>

or

<Grid>
    <Grid.RowDefinitions>
    </Grid.RowDefinitions>
</Grid>

3. Retarget the .csproj project to .NET 10.

 <TargetFramework>net10.0-windows</TargetFramework>

4. Build the project

Expected behavior

Project builds successful.

Actual behavior

Project builds failed with below error:
Property 'ColumnDefinitions' does not have a value. Line 11 Position 34.

Regression?

Yes

Verify Scenarios:
1). Windows 11 24H2 AMD64 default target .NET 8 + dotnet-8.0.412: Pass
2). Windows 11 24H2 AMD64 default target .NET 8 + dotnet-10.0.100-preview.7.25372.102: Pass
3). Windows 11 24H2 AMD64 retarget .NET 9 + dotnet-10.0.100-preview.7.25372.102: Pass
4). Windows 11 24H2 AMD64 retarget .NET 10 + dotnet-10.0.100-preview.5.25272.110: Pass
5). Windows 11 24H2 AMD64 retarget .NET 10 + dotnet-10.0.100-preview.5.25277.114: Fail
6.) Windows 11 24H2 AMD64 retarget .NET 10 + dotnet-10.0.100-preview.7.25372.102: Fail

Known Workarounds

No response

Impact

No response

Configuration

Application Name: TuringTrader, MyMoneyNet
OS： Windows 11 24H2
CPU: X64
.NET Build Number: dotnet-sdk-10.0.100-preview.7.25372.102
App Source checking at: https://devdiv.visualstudio.com/DevDiv/_workitems/edit/2534470

Other information

App Repro Steps:
The machine has dotnet-sdk-10.0.100-preview.7.25372.102 installed.
1.Copy app source code to local machine.
2. Update the "\TuringTrader\TuringTrader\TuringTrader.csproj" to retarget the app to .NET 10.
<TargetFramework>net10.0-windows</TargetFramework>
3. Open Command Prompt window and navigate to \TuringTrader\TuringTrader folder.
4. Run "dotnet build" command

Expected Result:
App builds successful.

Actual Result:
App builds failed with below error:

TuringTrader failed with 2 error(s) and 6 warning(s) (0.4s)
    F:\AppSourceCode\TuringTrader\TuringTrader\TuringTrader.csproj : warning NU1903: Package 'Microsoft.Windows.Compatibility' 7.0.0 has a known high severity vulnerability, https://github.com/advisories/GHSA-555c-2p6r-68mm
    F:\AppSourceCode\TuringTrader\TuringTrader\TuringTrader.csproj : warning NU1902: Package 'System.Data.SqlClient' 4.8.3 has a known moderate severity vulnerability, https://github.com/advisories/GHSA-8g2p-5pqh-5jmc
    F:\AppSourceCode\TuringTrader\TuringTrader\TuringTrader.csproj : warning NU1903: Package 'System.Data.SqlClient' 4.8.3 has a known high severity vulnerability, https://github.com/advisories/GHSA-98g6-xh36-x2p7
    F:\AppSourceCode\TuringTrader\TuringTrader\TuringTrader.csproj : warning NU1701: Package 'NetOfficeFw.Office 1.9.3' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework 'net10.0-windows7.0'. This package may not be fully compatible with your project.
    F:\AppSourceCode\TuringTrader\TuringTrader\TuringTrader.csproj : warning NU1701: Package 'NetOfficeFw.VBIDE 1.9.3' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework 'net10.0-windows7.0'. This package may not be fully compatible with your project.
    F:\AppSourceCode\TuringTrader\TuringTrader\TuringTrader.csproj : warning NU1701: Package 'stdole 7.0.3300' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8, .NETFramework,Version=v4.8.1' instead of the project target framework 'net10.0-windows7.0'. This package may not be fully compatible with your project.
    F:\AppSourceCode\TuringTrader\TuringTrader\OptimizerResults.xaml(13,34): error MC3063: Property 'ColumnDefinitions' does not have a value. Line 13 Position 34.
    F:\AppSourceCode\TuringTrader\TuringTrader\OptimizerSettings.xaml(13,34): error MC3063: Property 'ColumnDefinitions' does not have a value. Line 13 Position 34.

Findings:
If add <ColumnDefinition> for 'ColumnDefinitions' or <RowDefinition> for 'RowDefinitions', the error will disappear:

<Grid.ColumnDefinitions>
    <ColumnDefinition></ColumnDefinition>
</Grid.ColumnDefinitions>
or
<Grid>
    <Grid.RowDefinitions>
        <RowDefinition></RowDefinition>
    </Grid.RowDefinitions>
</Grid>

@dotnet-actwx-bot @dotnet/compat

[Junjun-zhao]

@harshit7962 Could you please take a look at this issue? Thank you.

[Junjun-zhao]

@himgoyalmicro Could you please confirm if this issue is a blocker for .NET 10 Preview 7 validation?

[himgoyalmicro]

@Junjun-zhao we are currently investigating this. We will get back to you in 2-3 days.

[himgoyalmicro]

@Junjun-zhao We’ve documented this as a breaking change dotnet/docs#47743 and informed the relevant team accordingly. If there are no further requirements, can we get this closed?

[Junjun-zhao]

Yes. Please go ahead. We will notify the owner of affected applications in our lab.