EF Çekirdek İskele DbContext

Question

İskele DbContext ile sorun yaşıyorum. Ben .NET Core 1.1.0 SDK son kullanıyorum ve bu kılavuzu takip ediyorum: https://docs.microsoft.com/en-us/ef/core/get-started/aspnetcore/existing-db

Ama Paket Yöneticisi Konsolu komutunun ardından çalıştırdığınızda: Scaffold-DbContext "<connection-string>" Microsoft.EntityFrameworkCore.SqlServer -OutputDir Models özel durum almak.

project.json

"dependencies": { 
    "Microsoft.EntityFrameworkCore": "1.1.0", 
    "Microsoft.EntityFrameworkCore.Design": "1.1.0", 
    "Microsoft.EntityFrameworkCore.SqlServer": "1.1.0", 
    "Microsoft.EntityFrameworkCore.SqlServer.Design": "1.1.0", 
    "Microsoft.EntityFrameworkCore.Tools": "1.1.0-preview4-final", 
    "NETStandard.Library": "1.6.1" 
    }, 

    "tools": { 
    "Microsoft.EntityFrameworkCore.Tools": "1.1.0-preview4-final" 
    }, 

    "frameworks": { 
    "netstandard1.6": { 
     "imports": [ 
     "dnxcore50" 
     ] 
    } 
    } 

İstisna

System.IO.FileNotFoundException: Could not load file or assembly 
'System.Data.SqlClient, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified. 
File name: 'System.Data.SqlClient, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' 
    at Microsoft.EntityFrameworkCore.Scaffolding.Internal.SqlServerDatabaseModelFactory.Create(String connectionString, TableSelectionSet tableSelectionSet) 
    at Microsoft.EntityFrameworkCore.Scaffolding.RelationalScaffoldingModelFactory.Create(String connectionString, TableSelectionSet tableSelectionSet) 
    at Microsoft.EntityFrameworkCore.Scaffolding.Internal.SqlServerScaffoldingModelFactory.Create(String connectionString, TableSelectionSet tableSelectionSet) 
    at Microsoft.EntityFrameworkCore.Scaffolding.Internal.ReverseEngineeringGenerator.GetMetadataModel(ReverseEngineeringConfiguration configuration) 
    at Microsoft.EntityFrameworkCore.Scaffolding.Internal.ReverseEngineeringGenerator.GenerateAsync(ReverseEngineeringConfiguration configuration, CancellationToken cancellationToken) 
    at Microsoft.EntityFrameworkCore.Design.Internal.DatabaseOperations.ScaffoldContextAsync(String provider, String connectionString, String outputDir, String dbContextClassName, IEnumerable`1 schemas, IEnumerable`1 tables, Boolean useDataAnnotations, Boolean overwriteFiles, CancellationToken cancellationToken) 
    at Microsoft.EntityFrameworkCore.Design.OperationExecutor.<ScaffoldContextImpl>d__22.MoveNext() 
    at System.Collections.Generic.EnumerableHelpers.ToArray[T](IEnumerable`1 source, Int32& length) 
    at System.Collections.Generic.EnumerableHelpers.ToArray[T](IEnumerable`1 source) 
    at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source) 
    at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.<>c__DisplayClass4_0`1.<Execute>b__0() 
    at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.Execute(Action action) 
Could not load file or assembly 'System.Data.SqlClient, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified. 

Answer 1

bunun için geçerli bir geçici çözüm çözümünüz başlangıç ​​projesi olarak yapılandırıldı yürütülebilir bir projede iskele yürütmektir .