asp.net-core

问题 I have an identity server asp net core project deployed in Azure, i also have two asp net 5 mvc client using my identity server as SSO, and continuously i am getting(save in logs) an exception The antiforgery token could not be decrypted . 回答1: We had similar issue today, We were able to resolve by persisting data protection keys to file system . services.AddDataProtection() .PersistKeysToFileSystem(new DirectoryInfo(@"\\UNC-PATH")); 回答2: We had the same error message Antiforgery token

问题 Recently when I've been debugging my application, I've been able to write code into C# files when the application isn't in the broken state. I've tried totally disabling the "Edit and Continue" setting in the visual studio options but that doesn't seem to be working. What I'm expecting to happen is when I'm debugging and I type into a C# file, I want that popup that says "Changes are not allowed while the application is running" prompting me to put a breakpoint in my code to apply changes

问题 When running my application from Visual Studio 2019 on IIS Express the web page gives error 500.30 and in the output it says, Exception thrown: 'System.NullReferenceException' in System.Private.CoreLib.dll However, when running it in a terminal using dotnet watch run the page runs without errors and displays correctly. I've tried running the debugger and the error is always thrown on this line, CreateHostBuilder(args).Build().Run(); after my ConfigureSerives Method below completes // This

问题 I need to access session variable in ConfigureService method in ASP.NET Core 1.0 using IServiceProvider. I have a service that is initialized with delegate/lambda expression that can return value from any place. In this context this lambda expression argument should return value from session once called. Here is example code: public void ConfigureServices(IServiceCollection services) { services.AddTransient<IMyService>(serviceProvider => { return new MyService(() => { var session =

问题 I need to access session variable in ConfigureService method in ASP.NET Core 1.0 using IServiceProvider. I have a service that is initialized with delegate/lambda expression that can return value from any place. In this context this lambda expression argument should return value from session once called. Here is example code: public void ConfigureServices(IServiceCollection services) { services.AddTransient<IMyService>(serviceProvider => { return new MyService(() => { var session =

问题 Using ASP.NET Core 2.2 and Identity Server 4 I have the following controller: [HttpGet("posts"), Authorize] public async Task<IActionResult> GetPosts() { var authenticated = this.User.Identity.IsAuthenticated; var claims = this.User.Identities.FirstOrDefault().Claims; var id = this.User.FindFirstValue(ClaimTypes.NameIdentifier); } I get all the claims but id is null ... I checked all values in claims and I have a 'sub' claim with value 1. Why is ClaimTypes.NameIdentifier not mapping to 'sub'?

问题 The Issue... As the title states, I've installed the .NET Core 2.1 SDK and created a new .NET Core 2.1 project. When I go to Project > Add Item... > Data , I do not have the ADO.NET Entity Data Model option. I am using Visual Studio 2017 15.7.3 , which I've installed only hours ago. The Error and Warning logs are clean. Any assistance is appreciated. What I've done so far... Researched. You'll notice I've pulled most of my attempts to solve this issue from primarily these three resources:

问题 The Issue... As the title states, I've installed the .NET Core 2.1 SDK and created a new .NET Core 2.1 project. When I go to Project > Add Item... > Data , I do not have the ADO.NET Entity Data Model option. I am using Visual Studio 2017 15.7.3 , which I've installed only hours ago. The Error and Warning logs are clean. Any assistance is appreciated. What I've done so far... Researched. You'll notice I've pulled most of my attempts to solve this issue from primarily these three resources:

问题 The Issue... As the title states, I've installed the .NET Core 2.1 SDK and created a new .NET Core 2.1 project. When I go to Project > Add Item... > Data , I do not have the ADO.NET Entity Data Model option. I am using Visual Studio 2017 15.7.3 , which I've installed only hours ago. The Error and Warning logs are clean. Any assistance is appreciated. What I've done so far... Researched. You'll notice I've pulled most of my attempts to solve this issue from primarily these three resources:

问题 I need a middleware to cancel a request if my api is taking more than x amount of time. All my api calls are asynch and cancellable: public async Task<IActionResult> Get(CancellationToken token) { } ... public async Task InvokeAsync(HttpContext context) { //.... int customDurationMilis = 1000; //1second cancellTimer = new Timer(CancellRequestCallBack, context, customDurationMilis, Timeout.Infinite); //... await _next(context); } private void CancellRequestCallBack(HttpContext context) { //log