我正在创建一个概念证明解决方案,该解决方案将使用实体框架共享一个项目。我希望UWP项目以及.Net Core网站可以引用共享项目。我能够获得引用该项目并正确使用Entity Framework Core的网站。当我尝试让UWP应用使用相同的代码时,它会编译,但在运行时会失败。我也尝试过使用NetStandard1.4和NetStandard1.6更改框架,但是实体框架核心无法正常工作。
我的共享项目是.Net Core类库(不是VS中的实际共享项目类型)。
这是运行UWP应用程序时遇到的错误。当我尝试创建从DbContext继承的新Context类时,会发生这种情况:
mscorlib.ni.dll中发生类型'System.IO.FileLoadException'的异常,但未在用户代码中处理
附加信息:无法加载文件或程序集'System.Runtime,版本= 4.1.0.0,区域性=中性,PublicKeyToken = b03f5f7f11d50a3a'或其依赖项之一。找到的程序集的清单定义与程序集引用不匹配。(来自HRESULT的异常:0x80131040)
这是我用于共享项目的project.json。
{
"version": "1.0.0-*",
"dependencies": {
"Microsoft.EntityFrameworkCore.Sqlite": "1.0.0",
"Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final",
"NETStandard.Library": "1.6.0",
"System.ComponentModel.Annotations": "4.1.0",
"Microsoft.NETCore.App": {
"version": "1.0.0",
"type": "platform"
}
},
"frameworks": {
"netcoreapp1.0": {
"imports": [
"dotnet5.6",
"portable-net45+win8"
]
}
}
}
这是UWP项目的project.json
{
"dependencies": {
"Microsoft.EntityFrameworkCore.Sqlite": "1.0.0",
"Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final",
"Microsoft.NETCore.UniversalWindowsPlatform": "5.2.2"
},
"frameworks": {
"uap10.0": {
"imports": [
"netcoreapp1.0"
]
}
},
"runtimes": {
"win10-arm": {},
"win10-arm-aot": {},
"win10-x86": {},
"win10-x86-aot": {},
"win10-x64": {},
"win10-x64-aot": {}
}
}
这是网站项目的project.json
{
"dependencies": {
"Domain": "1.0.0-*",
"Microsoft.AspNetCore.Diagnostics": "1.0.0",
"Microsoft.AspNetCore.Mvc": "1.0.0",
"Microsoft.AspNetCore.Razor.Tools": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"Microsoft.AspNetCore.Server.IISIntegration": "1.0.0",
"Microsoft.AspNetCore.Server.Kestrel": "1.0.0",
"Microsoft.AspNetCore.StaticFiles": "1.0.0",
"Microsoft.EntityFrameworkCore.Sqlite": "1.0.0",
"Microsoft.EntityFrameworkCore.SqlServer": "1.0.0",
"Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final",
"Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0",
"Microsoft.Extensions.Configuration.Json": "1.0.0",
"Microsoft.Extensions.Logging": "1.0.0",
"Microsoft.Extensions.Logging.Console": "1.0.0",
"Microsoft.Extensions.Logging.Debug": "1.0.0",
"Microsoft.Extensions.Options.ConfigurationExtensions": "1.0.0",
"Microsoft.NETCore.App": {
"version": "1.0.0",
"type": "platform"
},
"Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.0.0"
},
"tools": {
"Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final",
"BundlerMinifier.Core": "2.0.238",
"Microsoft.AspNetCore.Razor.Tools": "1.0.0-preview2-final",
"Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-preview2-final"
},
"frameworks": {
"netcoreapp1.0": {
"imports": [
"dotnet5.6",
"portable-net45+win8"
]
}
},
"buildOptions": {
"emitEntryPoint": true,
"preserveCompilationContext": true
},
"runtimeOptions": {
"configProperties": {
"System.GC.Server": true
}
},
"publishOptions": {
"include": [
"wwwroot",
"Views",
"Areas/**/Views",
"appsettings.json",
"web.config"
]
},
"scripts": {
"prepublish": [ "bower install", "dotnet bundle" ],
"postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%" ]
}
}
我不确定UWP项目是否可以与.NET Core项目一起使用。也许您可以尝试将EF项目更改为可移植类库项目。
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