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Feb 26, 2025
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Improve EF Core breaking change coverage #34812

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Improve EF Core breaking change coverage
guardrex Feb 26, 2025
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guardrex Feb 26, 2025
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guardrex Feb 26, 2025
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118 changes: 103 additions & 15 deletions aspnetcore/blazor/tutorials/movie-database-app/part-2.md
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Original file line number Diff line number Diff line change
Expand Up @@ -119,6 +119,27 @@ Paste all of the following commands at the prompt (`>`) of the **Terminal**. Whe

When you paste multiple commands, all of the commands execute except the last one. The last command doesn't execute until you press <kbd>Enter</kbd> on the keyboard.

:::moniker range=">= aspnetcore-10.0"

```dotnetcli
dotnet tool install --global dotnet-aspnet-codegenerator
dotnet tool install --global dotnet-ef
dotnet add package Microsoft.EntityFrameworkCore.SQLite
dotnet add package Microsoft.VisualStudio.Web.CodeGeneration.Design
dotnet add package Microsoft.EntityFrameworkCore.SqlServer
dotnet add package Microsoft.EntityFrameworkCore.Tools
dotnet add package Microsoft.AspNetCore.Components.QuickGrid
dotnet add package Microsoft.AspNetCore.Components.QuickGrid.EntityFrameworkAdapter
dotnet add package Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore
```

> [!IMPORTANT]
> After the first eight commands execute, make sure that you press <kbd>Enter</kbd> on the keyboard to execute the last command.

:::moniker-end

:::moniker range=">= aspnetcore-9.0 < aspnetcore-10.0"

```dotnetcli
dotnet tool install --global dotnet-aspnet-codegenerator
dotnet tool install --global dotnet-ef
Expand All @@ -135,19 +156,42 @@ dotnet add package Microsoft.EntityFrameworkCore.Design
> [!IMPORTANT]
> After the first nine commands execute, make sure that you press <kbd>Enter</kbd> on the keyboard to execute the last command.

> [!NOTE]
> The preceding commands are .NET CLI commands, and .NET CLI commands are executed when entered at a [PowerShell](/powershell/) prompt, which is the default command shell of the VS Code **Terminal**.

Open the app's project file (`BlazorWebAppMovies.csproj`). Drop the `<IncludeAssets>` and `<PrivateAssets>` from the `Microsoft.EntityFrameworkCore.Design` package reference. In the following example, the `{VERSION}` placeholder is the package's version and remains unchanged:
Open the app's project file (`BlazorWebAppMovies.csproj`). Mark the `Microsoft.EntityFrameworkCore.Design` assembly reference as publishable by adding `<Publish>true</Publish>` to the package reference. In the following example, the `{VERSION}` placeholder is the package's version and remains unchanged:

```diff
- <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="{VERSION}">
- <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
- <PrivateAssets>all</PrivateAssets>
- </PackageReference>
+ <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="{VERSION}" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="{VERSION}">
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
<PrivateAssets>all</PrivateAssets>
+ <Publish>true</Publish>
</PackageReference>
```

The preceding update to the package reference is a workaround for a breaking change in .NET 9 EF Core tooling. The change to the package reference can be reverted in apps that are eventually updated to .NET 10 or later. For more information, see [Breaking changes in EF Core 9 (EF9)](/ef/core/what-is-new/ef-core-9.0/breaking-changes#microsoftentityframeworkcoredesign-not-found-when-using-ef-tools).

:::moniker-end

:::moniker range="< aspnetcore-9.0"

```dotnetcli
dotnet tool install --global dotnet-aspnet-codegenerator
dotnet tool install --global dotnet-ef
dotnet add package Microsoft.EntityFrameworkCore.SQLite
dotnet add package Microsoft.VisualStudio.Web.CodeGeneration.Design
dotnet add package Microsoft.EntityFrameworkCore.SqlServer
dotnet add package Microsoft.EntityFrameworkCore.Tools
dotnet add package Microsoft.AspNetCore.Components.QuickGrid
dotnet add package Microsoft.AspNetCore.Components.QuickGrid.EntityFrameworkAdapter
dotnet add package Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore
```

> [!IMPORTANT]
> After the first eight commands execute, make sure that you press <kbd>Enter</kbd> on the keyboard to execute the last command.

:::moniker-end

> [!NOTE]
> The preceding commands are .NET CLI commands, and .NET CLI commands are executed when entered at a [PowerShell](/powershell/) prompt, which is the default command shell of the VS Code **Terminal**.

Save the project file.

The preceding commands add:
Expand Down Expand Up @@ -175,6 +219,27 @@ Paste all of the following commands at the prompt (`>`) of the command shell. W

When you paste multiple commands, all of the commands execute except the last one. The last command doesn't execute until you press <kbd>Enter</kbd> on the keyboard.

:::moniker range=">= aspnetcore-10.0"

```dotnetcli
dotnet tool install --global dotnet-aspnet-codegenerator
dotnet tool install --global dotnet-ef
dotnet add package Microsoft.EntityFrameworkCore.SQLite
dotnet add package Microsoft.VisualStudio.Web.CodeGeneration.Design
dotnet add package Microsoft.EntityFrameworkCore.SqlServer
dotnet add package Microsoft.EntityFrameworkCore.Tools
dotnet add package Microsoft.AspNetCore.Components.QuickGrid
dotnet add package Microsoft.AspNetCore.Components.QuickGrid.EntityFrameworkAdapter
dotnet add package Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore
```

> [!IMPORTANT]
> After the first eight commands execute, make sure that you press <kbd>Enter</kbd> on the keyboard to execute the last command.

:::moniker-end

:::moniker range=">= aspnetcore-9.0 < aspnetcore-10.0"

```dotnetcli
dotnet tool install --global dotnet-aspnet-codegenerator
dotnet tool install --global dotnet-ef
Expand All @@ -191,16 +256,39 @@ dotnet add package Microsoft.EntityFrameworkCore.Design
> [!IMPORTANT]
> After the first nine commands execute, make sure that you press <kbd>Enter</kbd> on the keyboard to execute the last command.

Open the app's project file (`BlazorWebAppMovies.csproj`). Drop the `<IncludeAssets>` and `<PrivateAssets>` from the `Microsoft.EntityFrameworkCore.Design` package reference. In the following example, the `{VERSION}` placeholder is the package's version and remains unchanged:
Open the app's project file (`BlazorWebAppMovies.csproj`). Mark the `Microsoft.EntityFrameworkCore.Design` assembly reference as publishable by adding `<Publish>true</Publish>` to the package reference. In the following example, the `{VERSION}` placeholder is the package's version and remains unchanged:

```diff
- <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="{VERSION}">
- <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
- <PrivateAssets>all</PrivateAssets>
- </PackageReference>
+ <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="{VERSION}" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="{VERSION}">
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
<PrivateAssets>all</PrivateAssets>
+ <Publish>true</Publish>
</PackageReference>
```

The preceding update to the package reference is a workaround for a breaking change in .NET 9 EF Core tooling. The change to the package reference can be reverted in apps that are eventually updated to .NET 10 or later. For more information, see [Breaking changes in EF Core 9 (EF9)](/ef/core/what-is-new/ef-core-9.0/breaking-changes#microsoftentityframeworkcoredesign-not-found-when-using-ef-tools).

:::moniker-end

:::moniker range="< aspnetcore-9.0"

```dotnetcli
dotnet tool install --global dotnet-aspnet-codegenerator
dotnet tool install --global dotnet-ef
dotnet add package Microsoft.EntityFrameworkCore.SQLite
dotnet add package Microsoft.VisualStudio.Web.CodeGeneration.Design
dotnet add package Microsoft.EntityFrameworkCore.SqlServer
dotnet add package Microsoft.EntityFrameworkCore.Tools
dotnet add package Microsoft.AspNetCore.Components.QuickGrid
dotnet add package Microsoft.AspNetCore.Components.QuickGrid.EntityFrameworkAdapter
dotnet add package Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore
```

> [!IMPORTANT]
> After the first eight commands execute, make sure that you press <kbd>Enter</kbd> on the keyboard to execute the last command.

:::moniker-end

Save the project file.

The preceding commands add:
Expand Down