There may be a few reasons behind the error which you can only identify by debugging. You can try to debug this error using the steps below: Navigate to the root directory of the application using CMD Run the application using the command dotnet run (yourApplicationName).dll If there are any errors, they should appear in … Read more
If you have access to the HttpContext, you can get the Local/Remote IpAddress from the Connection property like so: var remote = this.HttpContext.Connection.RemoteIpAddress; var local = this.HttpContext.Connection.LocalIpAddress;
ASP.NET Security will not include Basic Authentication middleware due to its potential insecurity and performance problems. If you require Basic Authentication middleware for testing purposes, then please look at https://github.com/blowdart/idunno.Authentication
Before you read my answer: This solution is going to stop the app and cause the application to re-enter the startup in the next request. .NET Core 2 There may come a time when you wish to force your ASP.Net Core 2 site to recycle programmatically. Even in MVC/WebForms days this wasn’t necessarily a recommended … Read more
I had the same issue in my Visual studio 2017 .Net Core application. I closed the Visual studio and re-open fixed everything.
In addition to use Azure App Service or docker containers, you can also securely store your app secrets in production using IDataProtector: App secrets are entered with running a -config switch of the application, for example: dotnet helloworld -config; In Program.Main, detects this switch to let user to enter the secrets and store in a … Read more
Is it possible to self-host an ASP.NET Core Application without IIS? Yes. In fact, all ASP.NET Core applications are self-hosted. Even in production, IIS/Nginx/Apache are a reverse proxy for the self-hosted application. In a reasonably standard Program.cs class, you can see the self-hosting. The IISIntegration is optional – it’s only necessary if you want to … Read more
There are three possibilities for getting the user in a component (a page is a component): Inject IHttpContextAccessor and from it access HttpContext and then User; need to register IHttpContextAccessor in Startup.ConfigureServices, normally using AddHttpContextAccessor. Edit: according to the Microsoft docs you must not do this for security reasons. Inject an AuthenticationStateProvider property, call GetAuthenticationStateAsync … Read more
This has now been implemented in version 2.0.0. In your ConfigureServices use the following: options.AddPolicy(“MyCorsPolicy”, builder => builder .SetIsOriginAllowedToAllowWildcardSubdomains() .WithOrigins(“https://*.mydomain.com”) .AllowAnyMethod() .AllowCredentials() .AllowAnyHeader() .Build() ); Also, don’t forget to call UseCors in your Configure call too: app.UseCors(“MyCorsPolicy”);
For me I thought my HTML helpers weren’t working until I spotted that the extension method is now on IHtmlHelper not HtmlHelper. So for .net core: public static IHtmlContent CheckboxListFor<TModel>(this IHtmlHelper<TModel> html, Expression<Func<TModel, List<CheckboxListItem>>> expression) … Instead of for .net: public static HtmlString CheckboxListFor<TModel>(this HtmlHelper<TModel> html, Expression<Func<TModel, List<CheckboxListItem>>> expression) … EDIT: I’ve also updated the … Read more