-0.1.ToString("0") is "-0" in .NET Core and "0" in .NET Framework

``` (-0.1).ToString("0") ``` evaluates to "-0" in .NET Core and "0" in .NET Framework when value is double or float. On the other hand when value is decimal: ``` (-0.1M).ToString("0") ``` it eval...

17 Feb at 16:7

Trying to create multiple unique short URLs

I want to make a post method that returns a list of shortened URLs when given a body containing multiple URLs in JSON. This is my post method: ``` public class MyServices : Service { public obje...

17 Feb at 12:54

ServiceStack OrmLite "Like" Linq

In my database I have field `string(max)` called `GROUPS` where i store groups for my record separated by semicolon `;`. I use `Service Stack ORM Lite` and `Linq` to get records that have selected gro...

17 Feb at 15:26

How to resolve "error : rzc discover exited with code 150"

My dotnet SDK version is 3.0.100. I am trying to run an angular web application which is wrap with dotnet core framework in macOS. But whenever I try to build the project, It gives me the following er...

17 Feb at 03:45

Changing the C# version in Visual Studio 2019

I'm using visual studio 2019 and I'm trying to change my C# version. The reason I am doing this is that the build servers I use use an older version of VS / MSBuild to build and deploy code (this is o...

17 Feb at 21:31

How find bin directory in ASP.NET Core 3.1?

My EF project is in one project and my ASP.NET Core project in another project , D:\AspProjects\DatabaseHafez> D:\AspProjects\DatabaseHafez\bin\Debug\netcoreapp3.1\ap...

How to add values through user secrets to an array of objects in C#

So I'm having issues trying to get Visual Studio to add user secrets to a property that is an array. I have a feeling this sort of thing can't be done but I really need to have a way of iterating thro...

Receive file with servicestack from multipart/form-data

I'm submitting a form as a multipart/form-data from a react app to .net backend. I use FormData on react to post data using axios. On the serverside I'm using servicestack to process the data, text in...

14 Feb at 14:36

Swagger C# Enum generation - underlying int values do not match the original enum

I created an enum on my server with integer values set manually rather than the default increment up from 0 ``` public enum UserType { Anonymous = 0, Customer = 10, Technician = 21, Ma...

Cognito - Client is not enabled for OAuth2.0 flows

I've successfully set up an AWS Cognito environment that runs on Localhost following [this tutorial](https://developerhandbook.com/aws/how-to-use-aws-cognito-with-net-core/). For the next step, I p...

Process sometimes hangs while waiting for Exit

What may be the reason of my process hanging while waiting for exit? This code has to start powershell script which inside performs many action e.g start recompiling code via MSBuild, but probably th...

24 Feb at 14:41

Conventional Routing in ASP.NET Core API

I'm creating an API Application with NET Core 3.1. I'd like to avoid to set route attribute over every `ApiControllers` and Actions. I tryed a lot of combinations over `UseEndpoints` to set a conven...

Azure Functions using Cancellation Token with Http Trigger

I am developing a Function in Azure with Cancellation Token. Its an Http Trigger. I pass in a Cancellation Token in in the method parameters. Its long running function. And I cancel the request in b...

how to reslove Each Request DTO can only be handled by 1 service in service stack

I have two services which wil be having both the service will be having the same DTO. ``` [Route("service1\GetData","Get")] [Route("service2\GetData","Get")] public class GetData { ...

13 Feb at 07:6

How to use both Azure AD authentication and Identity on ASP.NET Core 3?

The web application should allow internal employees with AD accounts to authenticate in the app using Azure AD Authentication. External users should be able to register and sign in using ASP.NET Core ...

JsonException: A possible object cycle was detected which is not supported. This can either be due to a cycle or if the object depth is larger than

In my web API when I run project to get data from the database got this error .net core 3.1 > JsonException: A possible object cycle was detected which is not supported. This can either be due to a cy...

15 May at 18:9

IIS Express vs dotnet run

Actually I understand that is lightweight development server. From the other side runs the application as a console application and binds it to random port. But what is the actual difference? I can...

12 Feb at 21:27

Could not load file or assembly 'System.Threading.Tasks.Extensions, Version=4.2.0.0

I recently installed CsvHelper ([https://joshclose.github.io/CsvHelper/](https://joshclose.github.io/CsvHelper/)) when i try to use the library I get the following error: > Could not load file or ass...

Why is StringValues assignable to String

I don't understand why the following compiles: ``` StringValues sv = httpContext.Request.Query["param"]; string s = sv; ``` My knowledge says that `a` is assignable to `b` only if `a` is of type `b...

12 Feb at 15:32

TimeoutException: The Angular CLI process did not start listening for requests within the timeout period of 0 seconds

I'm getting this error after upgrading to angular 9. I'm using visual studio 2019, ASP .NET core with angular. Even if I create new project and update angular to 9 version, It stops working. Complete...

Blazor TypeError: Cannot read property 'removeChild' of null at Object.e [as removeLogicalChild]

I created a component for a dual list box. Everything is fine but when I submit I get an error. ``` <EditForm Model="Model.Report" class="kt-form" OnValidSubmit="Model.OnSearch"> <div ...

Should I check the dotnet-tools .config directory into source control?

Recently I've noticed a `.config` directory being created by Visual Studio with a `dotnet-tools.json` file in. Should this be `.gitignore`d or checked into source control?

.NET Core 3.1 CreateHostBuilder Cannot parse JSON file

I am experiencing an error when trying to run my ASP.Net Core 3.1 project. The error is at `CreateHostBuilder` within `Program.cs` ``` public class Program { public static void Main(string[]...

Azure Cosmos DB - check if item not exists without throwing error to Application Insights

I built a simple player-tracking API app in ASP.NET Core 3.1 that uses Azure Cosmos DB as its back end. The API to create a new player entry first checks if an entry with the same ID under a given par...

ServiceStack ORMLite: Mutliple Column GroupBy With Table Aliases

I wish to use ORMLite to group by multiple aliased tables but I seem to have hit an issue. When using Sql.TableAlias with an anonymous type in the GroupBy of an SqlExpression the SQL generated for th...

11 Feb at 03:42