我试图从现有的数据库中逆向生成模型,但命令:Scaffold-DbContext "Server=(db);Database=xxxx;Trusted_connection=true;" Microsoft.EntityFrameWorkCore.SqlServer -OutputDir Models
不起作用。
我得到标题中所示的错误消息。
我安装了Nuget包:
Microsoft.EntityFrameworkCore.SqlServer
Microsoft.EntityFrameworkCore.Tools
Microsoft.EntityFrameworkCore.SqlServer.Design
我不知道为什么它不工作。(dotnet ef
命令工作)我确定这是一个小问题,但我找不到解决方案。请帮帮我
我的.csproj:
<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>netcoreapp1.1</TargetFramework>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="IdentityServer4">
<Version>1.5.0</Version>
</PackageReference>
<PackageReference Include="IdentityServer4.AccessTokenValidation">
<Version>1.2.0</Version>
</PackageReference>
<PackageReference Include="IdentityServer4.AspNetIdentity">
<Version>1.0.1</Version>
</PackageReference>
<PackageReference Include="Microsoft.AspNetCore" Version="1.1.1" />
<PackageReference Include="Microsoft.AspNetCore.Identity">
<Version>1.1.1</Version>
</PackageReference>
<PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore">
<Version>1.1.1</Version>
</PackageReference>
<PackageReference Include="Microsoft.AspNetCore.Mvc" Version="1.1.2" />
<PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="1.1.1" />
<PackageReference Include="Microsoft.EntityFrameworkCore">
<Version>1.1.1</Version>
</PackageReference>
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer">
<Version>1.1.2</Version>
</PackageReference>
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer.Design">
<Version>1.1.2</Version>
</PackageReference>
<PackageReference Include="Microsoft.EntityFrameworkCore.Tools">
<Version>1.1.1</Version>
</PackageReference>
<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="1.1.1" />
<PackageReference Include="Microsoft.VisualStudio.Web.BrowserLink" Version="1.1.0" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="1.1.1" PrivateAssets="All" />
</ItemGroup>
<ItemGroup>
<DotNetCliToolReference Include="Microsoft.EntityFrameworkCore.Tools.DotNet" Version="1.0.1" />
</ItemGroup>
</Project>
发布于 2020-10-08 18:05:35
在包管理器控制台中运行以下命令,在您的项目中安装Microsoft包。
Install-Package Microsoft.EntityFrameworkCore.Tools -Version 1.1.2
这将安装Cmdlet以通过包管理器控制台运行Database first approach。有关详情,请访问https://www.nuget.org/packages/Microsoft.EntityFrameworkCore.Tools/。
发布于 2017-05-10 20:35:31
修改.csproj
文件,使其包含以下部分:
<ItemGroup>
<DotNetCliToolReference
Include="Microsoft.EntityFrameworkCore.Tools.DotNet"
Version="1.0.0-msbuild3-final" />
</ItemGroup>
只有在安装工具包时没有自动修改.csproj
文件以添加条目时,才需要执行此步骤。参见https://github.com/aspnet/EntityFramework/issues/7358。
恢复包:
dotnet restore
现在,检查dotnet ef dbcontext scaffold命令。
https://stackoverflow.com/questions/43892272
复制相似问题