How to provide mock values in a FeedResponse for CosmosSDK v3+?

I'm writing a data access layer for my application and trying to mock out the CosmosDB SDK dependency for unit testing. I am using NUnit with NSubstitute and have come across the issue where I am tryi...

5 May at 16:49

'Could not find file ... bin\roslyn\csc.exe'

In Visual Studio 2017, when hitting + to run my ASP.NET Framework Web API server, I get: ``` Could not find file ... bin\roslyn\csc.exe: ``` [](https://i.imgur.com/sohAXxi.png) Running `Update-Packag...

29 Jun at 17:12

System.InvalidCastException: 'The SqlParameterCollection only accepts non-null SqlParameter type objects, not SqlParameter objects.'

I migrated my project from ASP.NET Core 2.2 to ASP.NET Core 3.0. Now I get this exception. In ASP.NET Core 2.2 it was using `FromSql()`; now it is using `FromSqlRaw()`. I am calling my procedure using...

ASP.NET Core 3.0 [FromBody] string content returns "The JSON value could not be converted to System.String."

Using `[FromBody]` string content on an `ApiController` in ASP.NET Core 3.0 returns a validation error: ``` {"type": "https://tools.ietf.org/html/rfc7231#section-6.5.1", "title":"One or more validat...

Is there a System.Text.Json's substitute for Json.NET's JsonProperty(Order)?

Since `System.Text.Json` is now JSON lib for [.NET Core 3.0](https://learn.microsoft.com/en-us/dotnet/api/system.text.json?view=netcore-3.0), is there an attribute/param matching Json.NET's [JsonProp...

How to use class fields with System.Text.Json.JsonSerializer?

I recently upgraded a solution to be all .NET Core 3 and I have a class that requires the class variables to be fields. This is a problem since the new `System.Text.Json.JsonSerializer` doesn't suppor...

Running actions in another directory

I've just started exploring Github actions however I've found myself placing a command in multiple places. I have a PHP project where the `composer.json` is not in the root, my structure looks like:...

28 Sep at 10:29

System.Text.Json.JsonElement ToObject workaround

I want to know the equivalent of the `ToObject<>()` method in [Json.NET](https://www.newtonsoft.com/json/help/html/Introduction.htm) for . Using Json.NET you can use any `JToken` and convert it to a c...

10 Aug at 14:32

Client side GroupBy is not supported

I have the following Entity Framework Core 3.0 query: ``` var units = await context.Units .SelectMany(y => y.UnitsI18N) .OrderBy(y => y.Name) .GroupBy(y => y.LanguageCode) .ToDictionaryAsync(...

ServiceStack.RequestFilterAsyncAttribute error: System.ArgumentNullException: Value cannot be null. Parameter name: method

I got runtime error and also find a way to fix (in the end). Just curious why cannot use public property for constructor. `RequestFilterAsyncAttribute` or `RequestFilterAttribute` doesn't matters, btw...

29 Sep at 02:38

How to create a signing certificate and use it in IdentityServer4 in production?

Most (all?) the sample code on the [IdentityServer4 docs site](https://identityserver4.readthedocs.io/en/latest/) uses `AddDeveloperSigningCredential()`, but recommends using `AddSigningCredential()` ...

6 Oct at 03:15

How to configure client for access with authsecret?

I'm using the client and I need to call a service using authsecret parameter. If I ad this param to the base url it give me a serialization error. ``` String baseUrl = AppConfig.GetAppApiUrl(); var c...

30 Sep at 07:30

'ConfigureServices returning a System.IServiceProvider isn't supported.'

I need ti use this `AutoFac` in ASP core 3.0 When I use this code in startu up: ``` public IServiceProvider ConfigureServices(IServiceCollection services) { services.AddControllers(); return...

Has been compiled by a more recent version of the Java Runtime (class file version 57.0)

I get this problem Using IntelliJ. But I have the newest version of everything newly installed on my system. I've set: PATH as C:\Program Files\Java\jdk-13 JAVA_HOME as: C:\Program Files\Java\jdk-...

26 Sep at 23:38

Grpc .Net client fails to connect to server with SSL

Unable to connect to the greeter grpc service mentioned in this link - https://learn.microsoft.com/en-us/aspnet/core/tutorials/grpc/grpc-start?view=aspnetcore-3.0 from a greeter client which is writte...

7 May at 03:50

When to use JSX.Element vs ReactNode vs ReactElement?

I am currently migrating a React application to TypeScript. So far, this works pretty well, but I have a problem with the return types of my `render` functions, specifically in my functional component...

28 Sep at 18:19

IIS Custom field logging through HTTP Request in ASP NET Core

I have enabled IIS logging with custom fields for my website. [](https://i.stack.imgur.com/F6bNb.png) Previously in MVC, I have used HTTPHandlers and Module to add the above fields to the HTTP Requ...

Store computed property with Entity Framework Core

I'll try and illustrate my question with an oversimplified example: Imagine I have a domain entity like this: ``` public class Box { public int Id { get; set; } public int Height { get; set; ...

26 Sep at 12:52

What is the difference between an interface with default implementation and abstract class?

C# 8.0 has introduced a new language feature – default implementations of interface members. ``` public interface IRobot { void Talk(string message) { Debug.WriteLine(message); } ...

How to set hosting environment name for .NET Core console app using Generic Host (HostBuilder)

I am setting up a .NET Core 2.x console app as a Windows service and need to load an appsettings json file based on the environment. I was thinking to start the service with a command line argument t...

23 Nov at 00:43

Formatting DateTime in ASP.NET Core 3.0 using System.Text.Json

I am migrating a web API from .NET Core 2.2 to 3.0 and want to use the new `System.Text.Json`. When using `Newtonsoft` I was able to format `DateTime` using the code below. How can I accomplish the ...

IHostBuilder does not contain a definition for ConfigureWebHostDefaults

I'm trying to use the new `GenericHost` in documented [here](https://learn.microsoft.com/en-us/aspnet/core/fundamentals/host/generic-host?view=aspnetcore-3.0) but I'm getting a really basic error tha...

11 Mar at 05:26

What's the difference between ASP.NET Core Hosted and Server-Side Blazor, really?

I'm still struggling to understand the difference between and Blazor. I know same question already [exists](https://stackoverflow.com/questions/53332097/blazor-asp-net-core-hosted-vs-server-side-in-...

20 Jun at 09:12

How to pass a parameter to razor component in server-side Blazor?

How can I pass parameter into razor component? So far I tried ``` @(await Html.RenderComponentAsync<Rateplan>(RenderMode.ServerPrerendered, new { id= 100})) ``` But I receive an error > InvalidOp...

Identity asp.net core 3.0 - IdentityDbContext not found

My app broke with the 3.0 release of .NET core with reference errors for `IdentityDbContext`. I'm looking through documentation for Identity on core 3.0 but it implies that IdentityDbContext should b...

25 Sep at 01:56