.net-core

问题 How to identify the hardware details of a Linux/Mac machine using.Net Core. For windows machines, we can use System.Management and WMI Query. So is there any similar way to identify the hardware details (like RAM ,Processor,Monitor ,CAM etc) of Linux and Mac machines. For windows, I'm using: ManagementObjectSearcher searcher = new ManagementObjectSearcher("select * from Win32_Processor"); 回答1: I have done a workaround to get hardware info as per Platform. For windows I have used old way of

问题 If ErrorViewModel is removed from my project, it won't run, failing at app.UseMvc() with the error: System.TypeLoadException: 'Could not load type 'DocumentGenerationService.Models.ErrorViewModel' from assembly 'DocumentGenerationService, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'.' It is a dotnet core 2.2 application with mvc. I've removed everything that is unnecessary to the application, which includes all the views, as this is a webapi project. Why can't I remove

问题 I'm analysing OptionsManager.Get(string name): /// <summary> /// Returns a configured <typeparamref name="TOptions"/> instance with the given <paramref name="name"/>. /// </summary> public virtual TOptions Get(string name) { name = name ?? Options.DefaultName; if (!_cache.TryGetValue(name, out TOptions options)) { // Store the options in our instance cache. Avoid closure on fast path by storing state into scoped locals. IOptionsFactory<TOptions> localFactory = _factory; string localName =

问题 I'am using NHibernate and envers in a .net 5 web application, i need to add user id to default revision entity and find no way to use dependency injection to do it. this is envers configuration private static void SetupEnvers(NHibernate.Cfg.Configuration cfg) { var enversConf = new NHibernate.Envers.Configuration.Fluent.FluentConfiguration(); enversConf.Audit<Persona>(); IRevisionListener revListner = new EnversRevisionListener(new IUserManagement); enversConf.SetRevisionEntity<RevisionEntity

问题 I'am using NHibernate and envers in a .net 5 web application, i need to add user id to default revision entity and find no way to use dependency injection to do it. this is envers configuration private static void SetupEnvers(NHibernate.Cfg.Configuration cfg) { var enversConf = new NHibernate.Envers.Configuration.Fluent.FluentConfiguration(); enversConf.Audit<Persona>(); IRevisionListener revListner = new EnversRevisionListener(new IUserManagement); enversConf.SetRevisionEntity<RevisionEntity

问题 I'am using NHibernate and envers in a .net 5 web application, i need to add user id to default revision entity and find no way to use dependency injection to do it. this is envers configuration private static void SetupEnvers(NHibernate.Cfg.Configuration cfg) { var enversConf = new NHibernate.Envers.Configuration.Fluent.FluentConfiguration(); enversConf.Audit<Persona>(); IRevisionListener revListner = new EnversRevisionListener(new IUserManagement); enversConf.SetRevisionEntity<RevisionEntity

问题 I am creating a .net core BackgroundService console application. The default template provides a Worker class that has ExecuteAsync() method, which is great. My plan is to use a Windows Task Scheduler to schedule to execute the console app once a day. However, I realized the ExecuteAsync() is a continuously executing method. So my question is -- how do I execute the codes in ExecuteAsync() only once and then terminate the Worker? I might have other processes still running, so each individual

问题 I am creating console application in asp.net core which is going to run as background service in different environments. I have used " BackgroundService " class provided by " Microsoft.Extensions.Hosting ". I want to run its " ExecuteAsync " method when my program gets started. File: Program.cs public static void Main(string[] args) { var host = new HostBuilder() .ConfigureHostConfiguration(configHost => { }) .ConfigureServices((hostContext, services) => { services.AddHostedService

问题 I am using Entity Framework Core in my .NET Core console app. I store my connection string in the App.config file and use ConfigurationManager in context class to access the connection string. When I want to add new migration to my project I get the following error: System.NullReferenceException: Object reference not set to an instance of an object. at EF_tut.Context.OnConfiguring(DbContextOptionsBuilder optionsBuilder) in C:\..\Context.cs:line 12 at Microsoft.EntityFrameworkCore.DbContext

问题 .NET Core 3.1 console app generates error during build - System.IO.FileNotFoundException: Could not load file or assembly 'System.Runtime, Version=4.2.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified. But it works on .NET Core 3.0 version. I'm using Microsoft.Orleans. This is csproj - <Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup> <OutputType>Exe</OutputType> <TargetFramework>netcoreapp3.1</TargetFramework> </PropertyGroup> <ItemGroup>