Razor Pages, form page handler not working with GET method

I have a small ASP.NET Core Razor Pages project. I'm making a simple list display page with a basic search functionality. In my model, I have 4 page handlers (2 of them are added for debug purposes): ...

23 Apr at 00:28

How to get the Values from a Task<IActionResult> returned through an API for Unit Testing

I have created an API using ASP.NET MVC Core v2.1. One of my `HttpGet` methods is set up as follows: ``` public async Task<IActionResult> GetConfiguration([FromRoute] int? id) { try { ...

17 Jul at 19:14

How to WhenAll when some tasks can be null?

I would like to wait all task, but some of them can be null. It is a code like that: ```csharp Task myTask1 = getData01Async(); Task myTask2 = null; Task myTask3 = null; if(myVariable == true...

How to test all ASP.NET Core Controllers Dependency Injection is valid?

We occasionally have issues whereby someone adds some DI into a controller but forgets to add the relevant line into Startup.cs to set the scope of the object. This does not prevent the application f...

How to instantiate a DbContext in EF Core

I have setup .net core project and db context also. But i cant start using dbContext yet due this error- > "there is no argument given that corresponds to the required formal parameter 'options'" Cont...

How to make individual anchor points of bezier continuous or non-continuous

I am creating bezier curves with the following code. The curves can be extended to join several bezier curves by shift clicking in the scene view. My code has functionality for making the whole curve ...

10 Jun at 21:25

In ASP.NET Core SignalR, how do I send a message from the server to a client?

I've successfully setup a SignalR server and client using the newly released ASP.NET Core 2.1. I built a chat room by making my `ChatHub` extend `Hub`: whenever a message comes in from a client, the s...

10 Jun at 21:22

How to seed an Admin user in EF Core 2.1.0?

I have an ASP.NET Core 2.1.0 application using EF Core 2.1.0. How do I go about seeding the database with Admin user and give him/her an Admin role? I cannot find any documentation on this.

How to disable precompiled views in net core 2.1+ / net 5 for debugging?

Yesterday I updated to net core 2.1. Now if I am debugging, the views getting precompiled, which ofcourse takes a long time during startup... Is it possible to fall back to the previous behavior, whe...

Using C# 7.2 in modifier for parameters with primitive types

C# 7.2 introduced the `in` modifier for passing arguments by reference with the guarantee that the recipient will not modify the parameter. This [article](https://blogs.msdn.microsoft.com/seteplia/20...

How to improve a push data pipeline in C# to match F# in performance

A reoccuring pet project for me is to implement push-based data pipelines in F#. Push pipelines are simpler and faster than pull pipelines like LINQ (although they don't have all capabilities of pull ...

24 Jun at 11:52

How can I make the map be infinite in GMap.NET?

I am writing a WinForms app using GMap.NET Windows Forms. I noticed that the map is finite. It does not show anything to the east of Australia, for example: [](https://i.stack.imgur.com/38pOq.png) N...

9 Jun at 15:11

Should I change @Html.Partial to @Html.PartialAsync as Visual Studio suggest?

In my code I have `@Html.Partial("_StatusMessage", Model.StatusMessage)` but Visual Studio warning me that: `Error MVC1000: Use of IHtmlHelper.Partial may result in application deadlocks. Consider usi...

9 Jun at 13:19

ASP.NET Core MediatR error: Register your handlers with the container

I have a .NET Core app where I use the `.AddMediatR` extension to register the assembly for my commands and handlers following a CQRS approach. In ConfigureServices in Startup.cs i have used the exten...

27 Dec at 03:5

How can I get all the objects associated through the intermediate table by ServiceStack.OrmLite?

I'm a beginner who has just started using ServiceStack.OrmLite. I have a question. How can I get all the objects associated through the intermediate table? details as following: ``` Public class bo...

9 Jun at 07:58

Confused with FromBody in ASP.NET Core

I have the following WEB API method, and have a SPA template with Angular: ``` [HttpPost] public IActionResult Post([FromBody]MyViewModel model) ``` I thought, based on [this](https://stackoverflow...

Using Kestrel without ASP.NET core

I want to use Kestrel HTTP Server to do HTTP things unrelated to the ASP.NET abstraction. I don't want to install any of the ASP.NET packages just Kestrel and use Request/Response model to write a fas...

Cannot connect to Azure ServiceBus with Microsoft.Azure.ServiceBus

I have created a very simple console application that connects to Azure ServiceBus and sends one message. I tried the latest library from Microsoft (`Microsoft.Azure.ServiceBus`) but no matter what I ...

11 Jun at 10:23

All invocation on the mock must have a corresponding setup when setting string parameter

I have a simple method I am testing. When I run the test I get the error > "All invocation on the mock must have a corresponding setup" on the last line ``` dataField.DefaultValue = orderNumber....

8 Jun at 15:44

What is the best way to consume REST APIs from DTSX packages?

We have recently migrated our SOAP services into REST APIs. With that, we had changed all consumers to point to new REST APIs successfully. However, there are some integration services packages (DTSX)...

Safe way to implement a "Fire and Forget" method on ASP.NET Core

I am trying to implement a simple logging library which will be used across multiple projects. The job of library is to send HTTP requests to ElasticSearch. The main point of this library is that it m...

HttpClient with .Net Core 2.1 hangs

Given the following .Net Core 2.1 Console App... ``` using System; using System.Diagnostics; using System.Net.Http; using System.Net.Http.Headers; namespace TestHttpClient { class Program { ...

Enforce Single User Session - ServiceStack

Using the `ss-pid` in ServiceStack session cookies, I am trying to enforce a single user session for a give unique user id. I am able to persist the ServiceStack session id, when the User logs in. W...

7 Jun at 21:0

How to use HttpClientHandler with HttpClientFactory in .NET Core

I want to use the `HttpClientFactory` that is available in .NET Core 2.1 but I also want to use the `HttpClientHandler` to utilize the `AutomaticDecompression` property when creating `HttpClients`. I...

How do I call SQLitePCL.Batteries.Init().?

I am attempting to create an SQLite database for my application and have come across this error. > System.Exception: 'You need to call SQLitePCL.raw.SetProvider(). If you are using a bundle packa...

7 Jun at 22:39