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C# 应用程序引发了未处理的异常。System.InvalidOperationException:无法>;解析类型的服务_C#_.net_Asp.net Web Api_Asp.net Core_Asp.net Core Mvc - Fatal编程技术网

C# 应用程序引发了未处理的异常。System.InvalidOperationException:无法>;解析类型的服务

C# 应用程序引发了未处理的异常。System.InvalidOperationException:无法>;解析类型的服务,c#,.net,asp.net-web-api,asp.net-core,asp.net-core-mvc,C#,.net,Asp.net Web Api,Asp.net Core,Asp.net Core Mvc,我有一个简单的asp.net核心web api,我正在尝试使用visual studio模板默认附带的api/值。但是我得到了这个错误: 托管环境:生产内容根路径:C:\api.E-commerce 现在收听:应用程序已启动。按 按Ctrl+C组合键关闭。失败:Microsoft.AspNetCore.Server.Kestrel[13] 连接id“0HL3RHG5NLHAL”:应用程序引发了未经处理的异常。System.InvalidOperationException:无法删除 解析类型的服

我有一个简单的asp.net核心web api,我正在尝试使用visual studio模板默认附带的api/值。但是我得到了这个错误:

托管环境:生产内容根路径:C:\api.E-commerce 现在收听:应用程序已启动。按 按Ctrl+C组合键关闭。失败:Microsoft.AspNetCore.Server.Kestrel[13] 连接id“0HL3RHG5NLHAL”:应用程序引发了未经处理的异常。System.InvalidOperationException:无法删除 解析类型的服务 'ECommerce.Api.Repository.ECommerce.iecommercepository'而 正在尝试激活“ContactsApi.Controllers.ValuesController”。
在 Microsoft.Extensions.Internal.ActivatorUtilities.GetService(IServiceProvider sp,类型类型,类型要求,布尔值isDefaultParameterRequired)
在lambda_方法(闭包、IServiceProvider、对象[])处 Microsoft.AspNetCore.Mvc.Internal.TypeActivatorCache.CreateInstance[TInstance](IServiceProvider serviceProvider,类型implementationType)位于 Microsoft.AspNetCore.Mvc.Controllers.DefaultControllerFactory.CreateController(ControllerContext (上下文)在 Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(状态& 接下来,在 Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.d_u22.MoveNext() ---来自引发异常的上一个位置的堆栈结束跟踪---在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于 Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ResourceExecutedContext (上下文)在 Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(状态& 接下来,在 Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.d_u20.MoveNext() ---来自引发异常的上一个位置的堆栈结束跟踪---在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于 System.Runtime.CompilerServices.TaskWaiter.HandleNonSuccessAndDebuggerNotification(任务 任务)在 Microsoft.AspNetCore.Builder.RouterMiddleware.d_u4.MoveNext() ---来自引发异常的上一个位置的堆栈结束跟踪---在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于 System.Runtime.CompilerServices.TaskWaiter.HandleNonSuccessAndDebuggerNotification(任务 任务)在 Microsoft.AspNetCore.Authentication.AuthenticationMiddleware
1.d_u18.MoveNext()
---来自引发异常的上一个位置的堆栈结束跟踪---在
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于
Microsoft.AspNetCore.Authentication.AuthenticationMiddleware
1.d\u 18.MoveNext() ---来自引发异常的上一个位置的堆栈结束跟踪---在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于 System.Runtime.CompilerServices.TaskWaiter.HandleNonSuccessAndDebuggerNotification(任务 任务)在 Microsoft.AspNetCore.Authentication.AuthenticationMiddleware
1.d_u18.MoveNext()
---来自引发异常的上一个位置的堆栈结束跟踪---在
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于
Microsoft.AspNetCore.Authentication.AuthenticationMiddleware
1.d\u 18.MoveNext() ---来自引发异常的上一个位置的堆栈结束跟踪---在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于 System.Runtime.CompilerServices.TaskWaiter.HandleNonSuccessAndDebuggerNotification(任务 任务)在 Microsoft.AspNetCore.Cors.Infrastructure.CorsMiddleware.d_u7.MoveNext() ---来自引发异常的上一个位置的堆栈结束跟踪---在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于 System.Runtime.CompilerServices.TaskWaiter.HandleNonSuccessAndDebuggerNotification(任务 任务)在 Microsoft.AspNetCore.Cors.Infrastructure.CorsMiddleware.d_u7.MoveNext() ---来自引发异常的上一个位置的堆栈结束跟踪---在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于 System.Runtime.CompilerServices.TaskWaiter.HandleNonSuccessAndDebuggerNotification(任务 任务)在 Microsoft.AspNetCore.Server.IISIntegration.IISMiddleware.d_u8.MoveNext() ---来自引发异常的上一个位置的堆栈结束跟踪---在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于 System.Runtime.CompilerServices.TaskWaiter.HandleNonSuccessAndDebuggerNotification(任务 任务)在 Microsoft.AspNetCore.Hosting.Internal.RequestServicesContainerMiddleware.d_u3.MoveNext() ---来自引发异常的上一个位置的堆栈结束跟踪---在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()位于 System.Runtime.CompilerServices.TaskWaiter.HandleNonSuccessAndDebuggerNotification(任务 任务)在 Microsoft.AspNetCore.Server.Kestrel.Internal.Http.Frame`1.d\uu 2.MoveNext()

启动代码为:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json.Serialization;
using Microsoft.EntityFrameworkCore;
using ContactsApi.Contexts;
using ECommerce.Api.Models.ERP;
using ECommerce.Api.Repository.ERP;
using System.IO;
//using Microsoft.AspNetCore.Mvc;
//using Microsoft.AspNetCore.Mvc.Cors.Internal;

namespace ContactsApi
{
    public partial class Startup
    {
        public Startup(IHostingEnvironment env)
        {
            var builder = new ConfigurationBuilder()
                .SetBasePath(env.ContentRootPath)
                .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
                .AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true)
                .AddEnvironmentVariables();
            Configuration = builder.Build();

           // var host = new WebHostBuilder()
           //.UseKestrel()
           //.UseContentRoot(Directory.GetCurrentDirectory())
           //.UseIISIntegration() // IMPORTANT!!!
           //.UseStartup<Startup>()
           //.Build();
           // host.Run();
        }

        public IConfigurationRoot Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            // Add framework services.
            services.AddMvc()
                    .AddJsonOptions(a => a.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver()); ;

            //using Dependency Injection
            //services.AddSingleton<IContactsRepository, ContactsRepository>();
            //services.AddSingleton<ITodoTerrenoRepository, TodoTerrenoRepository>();

            services.AddDbContext<ContactsContext>(options =>
             options.UseSqlServer(Configuration.GetConnectionString("AuthentConnection")));
            services.AddDbContext<TODOTERRENOContext>(options =>
            options.UseSqlServer(Configuration.GetConnectionString("DefaultConnection")));
            services.AddCors(options =>
            {
                options.AddPolicy("AllowAllOrigins", builder => builder.AllowAnyOrigin());
                options.AddPolicy("AllowAllHeaders", builder => builder.AllowAnyHeader());
                options.AddPolicy("AllowCredentials", builder => builder.AllowCredentials());
            });

            services.Configure<IISOptions>(options =>
            {

                options.AutomaticAuthentication = true;
                options.ForwardClientCertificate = true;
                options.ForwardWindowsAuthentication = true;


            });


        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            loggerFactory.AddConsole(Configuration.GetSection("Logging"));
            loggerFactory.AddDebug();
            app.UseCors("AllowAllOrigins");
            app.UseCors("AllowAllHeader");
            ConfigureAuth(app);
            //app.UseMvc(routes =>
            //{
            //    routes.MapRoute("default", "{controller=Home}/{action=Index}/{id?}");
            //});           
            //// Shows UseCors with CorsPolicyBuilder.
            //app.UseCors("AllowSpecificOrigin");
            app.UseMvc();
        }
    }
}
使用系统;
使用System.Collections.Generic;
使用System.Linq;
使用System.Threading.Tasks;
使用Microsoft.AspNetCore.Builder;
使用Microsoft.AspNetCore.Hosting;
使用Microsoft.Extensions.Configuration;
使用Microsoft.Extensions.DependencyInjection;
使用Microsoft.Extensions.Logging;
使用Newtonsoft.Json.Serialization;
使用Microsoft.EntityFrameworkCore;
使用ContactsApi.context;
使用ECommerce.Api.Models.ERP;
使用ECommerce.Api.Repository.ERP;
使用System.IO;
//使用Microsoft.AspNetCore.Mvc;
//使用Microsoft.AspNetCore.Mvc.Cors.Internal;
名称空间联系人SAPI
{
公共部分类启动
{
公共启动(IHostingEnvironment环境)
{
var builder=new ConfigurationBuilder()
.SetBasePath(环境内容根路径)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Authorization;
using ECommerce.Api.Repository.Ecommerce;

namespace ContactsApi.Controllers
{
    //[Authorize]
    [Route("api/[controller]")]
    public class ValuesController : Controller
    {

        public IEcommerceRepository ContactsRepo { get; set; }


        public ValuesController(IEcommerceRepository _repo)
        {
            ContactsRepo = _repo;
        }
        // GET api/values
       // [HttpGet]
        //public IEnumerable<string> Get()
        //{


        //    ContactsRepo.CrearUsuario();

        //    return new string[] { "value1", "value2" };
        //}

       // [HttpGet]
        [HttpGet("{DatosUsuario}")]
        public string GestionarUsuario(string DatosUsuario)
        {



            return ContactsRepo.GestionarUsuario(DatosUsuario).Result;
        }

        // GET api/values/5
        [HttpGet]
       // public string Get(in)
        public string Get()
        {
            return "value";
        }

        // POST api/values
        [HttpPost]
        public void Post([FromBody]string value)
        {
        }

        // PUT api/values/5
        [HttpPut("{id}")]
        public void Put(int id, [FromBody]string value)
        {
        }

        // DELETE api/values/5
        [HttpDelete("{id}")]
        public void Delete(int id)
        {
        }
    }
}
public void ConfigureServices(IServiceCollection services)
{
   ...
   services.AddTransient<IEcommerceRepository, EcommerceRepository>();
   ...
}