从30.05.2018开始,我的ASP.NET核心代码在Startup.cs中
public IServiceProvider ConfigureServices(IServiceCollection services)
{
// Add services to the collection.
services.AddMvc();
}
抛出异常如下:
启动应用程序时发生错误.KeyNotFoundException:给定的键不在字典中.
KeyNotFoundException:给定的键不在字典中.System.Collections.Generic.Dictionary.get_Item(TKey key)Microsoft.AspNetCore.Mvc.Internal.DefaultAssemblyPartDiscoveryProvider + CandidateResolver.ComputeClassification(string dependency)Microsoft.AspNetCore.Mvc.Internal.DefaultAssemblyPartDiscoveryProvider + CandidateResolver.ComputeClassification(string dependency)Microsoft.AspNetCore .Mvc.Internal.DefaultAssemblyPartDiscoveryProvider + CandidateResolver.ComputeClassification(字符串依赖)Microsoft.AspNetCore.Mvc.Internal.DefaultAssemblyPartDiscoveryProvider + CandidateResolver.ComputeClassification(字符串依赖)Microsoft.AspNetCore.Mvc.Internal.DefaultAssemblyPartDiscoveryProvider + CandidateResolver + d__4.MoveNext()系统. Linq.Enumerable + d__17.MoveNext()System.Linq.Enumerable + WhereSelectEnumerableIterator.MoveNext()Microsoft.Extensions.DependencyInjection.MvcCoreServiceCollectionExtensions.GetApplicationPartManager(IServiceCollection services)Microsoft.Extensions.DependencyInjection.MvcCoreServiceCollectionExtensions.AddMvcC ore(IServiceCollection服务)Microsoft.Extensions.DependencyInjection.MvcServiceCollectionExtensions.AddMvc(IServiceCollection services)Startup.cs中的MyWebApiProject.Startup.ConfigureServices(IServiceCollection服务)System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()Microsoft.AspNetCore.Hosting.ConventionBasedStartup. ConfigureServices(IServiceCollection services)Microsoft.AspNetCore.Hosting.Internal.WebHost.EnsureApplicationServices()Microsoft.AspNetCore.Hosting.Internal.WebHost.BuildApplication()
的csproj
<TargetFramework>net461</TargetFramework>
<ItemGroup>
<PackageReference Include="Autofac" Version="4.6.2" />
<PackageReference Include="Autofac.Extensions.DependencyInjection" Version="4.1.0" />
<PackageReference Include="EntityFramework" Version="6.2.0" />
<PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.0.1" />
<PackageReference Include="Microsoft.AspNetCore" Version="1.1.2" />
<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="1.1.2" />
<PackageReference Include="Microsoft.AspNetCore.Mvc" Version="1.1.3" />
<PackageReference Include="Microsoft.AspNetCore.SignalR.Server" Version="0.2.0-preview2-22683" />
<PackageReference Include="Microsoft.AspNetCore.WebSockets" …