The provider for the source IQueryable doesn't implement IAsyncQueryProvider
I have some codes like below, I want to write unit tests my method. But I'm stuck in async methods. Can you help me please ? ``` public class Panel { public int Id { get; set; } [Required] p...
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- 25 Jun at 14:3
'HttpPostedFileBase' in Asp.Net Core 2.0
I'm recently working on a ReactJS app that's calling an API (developed with .NET Core 2.0). My question is how to use `HttpPostedFileBase` in an .NET Core 2.0 API in order to get file content and s...
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- 26 Apr at 23:23
Error CS1061: 'DbSet<T>' does not contain a definition for 'FromSql' and no extension method 'FromSql' accepting a first argument of type 'DbSet<T>'
I am trying to call view or store procedure using on mac os webapi. ``` using System; using System.Linq; using Auth.Database; using Microsoft.EntityFrameworkCore; public virtual IQueryable<T> Execu...
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- 25 Jun at 06:55
.NET Core 2.1 Identity get all users with their associated roles
I'm trying to pull out all my Identity users and their associated roles for a user management admin page. I thought this would be reasonably easy but apparently not. I've tried following the following...
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- 23 Jun at 22:9
Trouble signing a JWT token with an x509 Certificate
I'm having trouble signing a JWT token with a certificate that I created. I understand the fundamentals of how signing (public/private key) works, but the classes and toolsets are very confusing. I'...
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- 28 Jun at 06:36
How do I properly work with calling methods on related but different classes in C#
To be honest I wasn't sure how to word this question so forgive me if the actual question isn't what you were expecting based on the title. C# is the first statically typed language I've ever programm...
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- 23 Jun at 02:39
How to pass dependencies to a custom .NET Core ILoggerProvider
I am creating a custom .NET Core `ILoggerProvider` that requires some dependencies to be passed into its constructor. I believe I am using a fairly common pattern to initialize my logging implementat...
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- 23 Jun at 19:20
Moq does not contain a definition for ReturnAsync?
I am trying to mock some API calls to a third-party service for unit testing purposes. I really just want this mocked function to return the same `RestEase.Response<...>` each time. ``` // Setup var ...
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- 22 Jun at 17:11
The instance of entity type 'Item' cannot be tracked because another instance with the same key value for {'Id'} is already being tracked
I am aware that such question has already been asked, but solution did not help me. ``` [Fact] public async Task UpdateAsync() { string newTitle = "newTitle1"; int newBrandId = 3; var ite...
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- 22 Jun at 12:9
How do I implement an async I/O bound operation from scratch?
I'm trying to understand how and when to use `async` programming and got to , but I don't understand them. I want to implement them . How can I do that? Consider the example below which is synchronou...
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- 23 Jun at 08:42
Visual Studio Code needs explicit clean and build
So, I am an old school Visual Studio user who just got migrated to Visual Studio Code and I think I am missing something here. However, I will explain what I am experiencing here: With Visual Studio ...
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- 22 Jun at 00:13
Json.net serialize only certain properties
Does Json.net have any way to specify only the properties you want to be serialized? or alternatively serialize certain properties based on binding flags like Declared Only? Right now I am using `JOb...
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- 21 Jun at 18:19
HostContext.TryGetCurrentRequest() always null inside Docker container - ServiceStack
Using the `ss-id` ServiceStack session cookie, I am tracking a user's session and revoking that session when the user has created too many sessions with the same account. I have a CustomCredentialsAu...
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- 21 Jun at 15:8
dotnet core database first using NetTopologySuite
I recently upgraded to the newest version of but the spacial data didn't seem to work, because they now use see [here](http://www.npgsql.org/efcore/mapping/nts.html) > To set up the NetTopologySuit...
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- 6 Jul at 13:3
Could not load file or assembly 'Microsoft.AspNet.TelemetryCorrelation' or one of its dependencies. The system cannot find the file specified
I have two web applications under IIS 7 (local Windows 10 Pro). At the root is an MVC .Net Version 4.7.1. Everything seems to work fine here so far. However, set up as a separate application under the...
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- 31 Jan at 15:44
ServiceStack: Showing both auth and authenticate paths
I've been looking at using ServiceStack to create a lightweight rest api and notice that when I look in the swagger-ui I notice there is an auth endpoint and an authenticate which both seem to do exac...
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- 20 Jun at 09:54
Keeping controllers warm in ASP.NET Core Web API project
I've noticed that after a period of time my ASP.NET Core Web API services seem to go through the same initialisation process you get when you launch them fresh, i.e. the initial request is slow, but s...
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- 20 Jun at 09:8
Asp.net WebApi OData V4 problems with nested $expands
I have a `OData V4` over `Asp.net WebApi` (`OWIN`). Everything works great, except when I try to query a 4-level `$expand`. My query looks like: ``` http://domain/entity1($expand=entity2($expand=en...
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- 27 Jun at 05:52
Asp.Net Core 2.x middleware syntax
I encountered several ways of writing simple middleware directly in Startup.Configure() method: ``` // Syntax 1. app.Use((context, next) => { context.Response.Headers.Add("X-Content-Type-Options"...
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- 20 Jun at 01:33
Visual Studio 2017, use new style csproj by default when creating new projects
Is there any way to use the new style csproj (with SDK, PackageReferences, and no need to use compile include etc.) by default when creating a new .net framework 4.5.2 project in Visual Studio? At th...
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- 19 Jun at 16:41
No 'Access-Control-Allow-Origin' header error in .NET Core
I'm fairly certain I've got CORS enabled correctly to allow incoming requests (in this case, POST requests) from all origins, but I'm seeing the error below: > Failed to load http://localhost:5000/exp...
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- 7 May at 05:48
Mock IHttpContextAccessor in Unit Tests
I have a method to get header value using `IHttpContextAccessor` ``` public class HeaderConfiguration : IHeaderConfiguration { public HeaderConfiguration() { } public string GetTena...
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- 18 Jun at 22:36
servicestack.redis getvalues gives junk values
I am facing an issue getting junk values like 'OK' or '0' or some 'numeric' values while reading values from Redis. This happens while reading normal key and hash keys as well. We have upgraded all th...
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- 19 Jun at 05:34
ASP.NET Core [Require] non-nullable types
[Here](https://stackoverflow.com/questions/6662976/required-attribute-for-an-integer-value), the question was posed how to validate non-nullable required types. The provided solution to make the fiel...
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- 18 Jun at 12:58
TaskCanceledException in ShutDownListener
We are currently seeing a lot of `TaskCanceledException` thrown off `MS.Internal.ShutDownListener.HandleShutDown`. This started in the middle of may and could be related to some Update to .Net or Wind...