asp.net-core Archives - Page 4 of 4

How to read AppSettings values from a .json file in ASP.NET Core

I have set up my AppSettings data in file appsettings/Config .json like this: { "AppSettings": { "token": "1234" } } I have searched ...

May 11, 2022
0 Comments

Command dotnet ef not found

I’m following the docs in order to create an initial migration. When I execute dotnet, I get the help section, meaning that the ...

May 11, 2022
0 Comments

ASP.NET Core Dependency Injection error: Unable to resolve service for type while attempting to activate

I created an .NET Core MVC application and use Dependency Injection and Repository Pattern to inject a repository to my controller. However, I ...

May 10, 2022
0 Comments

ASP.NET Core Web API exception handling

I am using ASP.NET Core for my new REST API project after using regular ASP.NET Web API for many years. I don’t see ...

May 10, 2022
0 Comments

How to determine if .NET Core is installed

I know that for older versions of .NET, you can determine if a given version is installed by following https://support.microsoft.com/en-us/kb/318785 Is there an ...

May 9, 2022
0 Comments

Visual Studio 2017 error: Unable to start program, An operation is not legal in the current state

After fresh installation of Visual Studio 2017 I tried to run .NET Core Web project and when trying to run it on Chrome ...

May 8, 2022
0 Comments

Resolving instances with ASP.NET Core DI from within ConfigureServices

How do I manually resolve a type using the ASP.NET Core MVC built-in dependency injection framework? Setting up the container is easy enough: ...

May 4, 2022
0 Comments

How do you create a custom AuthorizeAttribute in ASP.NET Core?

I’m trying to make a custom authorization attribute in ASP.NET Core. In previous versions it was possible to override bool AuthorizeCore(HttpContextBase httpContext). But ...

April 30, 2022
0 Comments

AddTransient, AddScoped and AddSingleton Services Differences

I want to implement dependency injection (DI) in ASP.NET Core. So after adding this code to ConfigureServices method, both ways work. What is ...

April 11, 2022
0 Comments