Exception thrown from task is swallowed, if thrown after 'await'

I'm writing a background service using .NET's `HostBuilder`. I have a class called `MyService` that implements `BackgroundService` `ExecuteAsync` method, and I encountered some weird behavior there. I...

Cannot find command 'dotnet ef'

I am using .NET Core 2.0 on [Arch Linux](https://en.wikipedia.org/wiki/Arch_Linux) / Visual Studio Code and am trying to get [EF](https://en.wikipedia.org/wiki/Entity_Framework) tools to work, but I k...

Swagger not loading - Failed to load API definition: Fetch error undefined

Trying to setup swagger in conjunction with a web application hosted on IIS express. API is built using ASP Net Core. I have followed the instructions prescribed on the relevant microsoft help page re...

19 Feb at 15:31

ServiceStack.Redis throws PlatformNotSupported Exception from unity exported .apk file

I am using ServiceStack. Redis to access my remote Redis Server. It doesn't throw any exceptions when I run it on my PC(Unity Android Environment). After I export `.apk` file from Unity and run the pr...

Equivalent to UserSettings / ApplicationSettings in WPF for newer .NET versions

What is the prefered way for for WPF applications with [.net-5](/questions/tagged/.net-5) , [.net-6.0](/questions/tagged/.net-6.0), [.net-7.0](/questions/tagged/.net-7.0) or [.net-core](/questions/ta...

27 Feb at 06:47

Additional probing paths for .NET Core 3 migration

Short version of the question: Is there any way in .NET Core 3 to specify a local probing path, using the same rules as the `<probing>` element from app.config? `additionalProbingPaths` does not seem ...

26 Mar at 10:28

Is It Possible to Map to an Enum With an Alias?

I have a http request coming that has a property for a value. There are 2 possible options for this value, let's say Standard and Boosted. I'm using an enum for this. I also need to get the same val...

Does CreateIndex API support multicolumn indexes?

Does the OrmLite CreateIndex API support multicolumn index? It looks like it accepts just once column parameter: ``` db.CreateIndex<Table>(x => x.ColumnName); ``` Also is it possible to specifcy a...

1 Jul at 18:44

Getting the API Key from ServiceStack request

Have a simple get Customer api that's returning list of customers fine. Setting up for service to service authentication, if I make this [Authenticated] and try to implement using ApiKeyAuthProvide...

3 Jul at 08:10

Elasticsearch.NET version 7 - How to Create Index

In Elasticsearch.NET 6.x, it is possible create an index using `IElasticClient` method: ``` var response = elasticClient.Create( "my-index-name", index => ind...

2 Jul at 06:5

.Net Core 3.0 JsonSerializer populate existing object

I'm preparing a migration from ASP.NET Core 2.2 to 3.0. As I don't use more advanced JSON features (but maybe one as described below), and 3.0 now comes with a built-in namespace/classes for JSON, `Sy...

Does the 'readonly' modifier create a hidden copy of a field?

The only difference between `MutableSlab` and `ImmutableSlab` implementations is the `readonly` modifier applied on the `handle` field: ``` using System; using System.Runtime.InteropServices; public...

Passing method to component

I have been trying to work out how if its possible and how to pass a method from the main page into a component in Blazor. I have a simple razor page, which contains a component with a button. I wan...

1 Jul at 08:11

What is the difference between armeabi-v7a, arm64-v8a, x86?

I am working on an Android App on Kivy. I am using Buildozer to compile an APK file. In the Buildozer spec file, there's a setting `android.arch = armeabi-v7a`, I didn't understand this. Also, when I ...

29 Jul at 05:46

Testing response.WriteAsync() in custom middleware

I have an ASP.NET Core API that I have written custom middleware for so that I can handle exceptions and write logs in a single spot. The middleware works as required when debugging via Kestrel and su...

30 Jun at 10:37

Add parameters to httpclient

I wrote a HTTP request in Postman and I want to write the same request in my application. There is an option in postman to see the code of the request for C#. In postman it shows request using [RestSh...

30 Jun at 12:59

MVC1000 Use of IHtmlHelper.Partial may result in application deadlocks. Consider using <partial> Tag Helper or IHtmlHelper.PartialAsync

Trying to make a web app using .Netcore When I run the application I get this error. Help me This is not a errors but a warning. But help me to resolve I added my code below ``` <!DOCTYPE html> <htm...

29 Jun at 17:36

How to get COUNT DISTINCT in translated SQL with EF Core

I want to have EF core translate `.Select(x=>x.property).Distinct().Count()` into something like ``` SELECT COUNT(DISTINCT property) ``` Let's take an example. Let's say I have a DB table with Per...

28 Jun at 09:25

FirefoxWebdriver No data is available for encoding 437

I want to create a FirefoxWebdriver but get the following error ``` Message: Initialization method Sma.Ldx.Systemtest.Ui.Tests.IbaTest.TestInitialize threw exception. System.TypeInitializationE...

28 Jun at 07:32

Getting pagination to work with one to many join

I'm currently working on a database with several one-to-many and many-to-many relationships and I am struggling getting ormlite to work nicely. I have a one-to-many relationship like so: ``` var q2 ...

28 Jun at 18:32

ServiceEventsClient only receive the last line of event data

We have a SSE server push the events like below: ``` ... event: event_id data: AQAAAAAAKTUMAQAAAWuY4NWAAAAAAAAAAwcAAD9IAAAAAAApNQ0BAAABa5jlaWAAAAAAAAADAQAA data: PVQAAAAAACk1DgEAAAFrmOVpYAAAAAAAAAMDA...

28 Jun at 00:2

git submodule add error: does not have a commit checked out

I create a new git repository with the help of bitbucket called . Now, I'm trying in another git repository (called ) add the repository as submodule like this: ``` git submodule add https://....@bi...

27 Jun at 23:51

How to use ASP.NET Core resource-based authorization without duplicating if/else code everywhere

I have a dotnet core 2.2 api with some controllers and action methods that needs to be authorized based on a user claim and the resource being accessed. Basically, each user can have 0 or many "roles"...

C# ASP.NET Core - SocketException: No such host is known

I am having issues which seem to be related calling a specific API asynchronously using `HttpClient` - the strange thing is that it doesn't happen all the time and can be solved by refreshing the page...

24 Jan at 15:37

Querying Data in a System-Versioned Temporal Table in Entity Framework Core

We are implementing a solution to query a temporal table. When enabling a temporal table on SQL server for any table, SQL will automatically add a second table with extra “_History” at the end of the...