45,905 questions
2
votes
1
answer
159
views
Awaiting a TaskCompletionSource from two threads
I got curious about what would happen if you await a TaskCompletionSource from two threads.
using System.Diagnostics;
var t = Start();
var t1 = Task.Run(async () => {
await t;
Thread.Sleep(...
- 43
1
vote
0
answers
75
views
System.Windows.Forms's WebBrowser is garbage collected differently in .NET Framework and Core
I'm trying to migrate our application from .NET Framework to .NET Core. In one of our tests, an object of type ZWebBrowser : System.Windows.Forms.WebBrowser is not garbage collected correctly, due to ...
- 133
1
vote
1
answer
88
views
How does TaskCompletionSource work when an exception occurs?
I'm trying to understand how exception handling works with TaskCompletionSource and await in a console application (which has no SynchronizationContext).
I've written simple code that waits for a ...
- 43
1
vote
0
answers
41
views
Problem with UI to using multiple provider of authenticate
I have this plugin declaration:
Plugins.Add(new AuthFeature(() => new CustomUserSession(),
new IAuthProvider[]
{
new CustomCredentialsAuthProvider(),
new ...
- 157
-2
votes
0
answers
104
views
CS9230 Cannot perform a dynamic invocation on an expression with type 'DefaultInterpolatedStringHandler' [closed]
The following code:
dynamic d = "foo";
var s = string.Create(null, $"{d}");
produces this error:
error CS9230: Cannot perform a dynamic invocation on an expression
with type '...
- 28.6k
2
votes
1
answer
65
views
Which methods to use to bind SyntaxNodes to Symbols and which SyntaxNode types can be bound?
Using the Roslyn SDK, which SyntaxNode (derived) types can be bound to Symbols, and which methods are used to bind them?
So far, I am aware of SemanticModel.GetSymbolInfo(), SemanticModel....
- 82
1
vote
0
answers
25
views
Why do I see another Excel-DNA add-in config path in my ConfigurationBuilder [closed]
I'm creating a new Excel-DNA add-in with .Net8.
However, when I try to create a new IHost and inject a config with Host.CreateDefaultBuilder().ConfigureAppConfiguration()
When I debug and inspect the ...
- 19
1
vote
1
answer
72
views
Why does ISymbol.ContainingNamespace always return System for nullable structs?
Using the Roslyn API I tried to retrieve the namespace of a nullable struct type (using ISymbol.ContainingNamespace) and was suprised when it returned the System namespace instead. This only happens ...
- 82
0
votes
0
answers
26
views
Accessing Keycloak well-known works with curl but not in my application
I'm building a .NET Core application that fails to access my keycloak server. I can do a curl command on my development machine and it works fine. Keycloak is running in a container.
The error looks ...
- 1,053
1
vote
0
answers
17
views
Why Blazor WebApp signalR crashes when large string is sent to UI?
While sending a large file data, streamed as a string from my backend to frontend, the blazor app crashes with the attempting to reconnect to server error. The app crashes when the file is loaded as a ...
- 11
0
votes
0
answers
31
views
+50
Language Resource Key is getting returned when called from Localization in my ASP.NET Core Web API project
We are trying to implement multilingual support for our ECommerce platform. We have decoupled architecture. We have front facing website on Vue.js and backend is an ASP.NET Core Web API. For the ...
- 938
0
votes
0
answers
23
views
Aspire .NET service discovery in production with keycloak with Docker, overrride endpoint?
I have an issue with the service discovery in Aspire .net with .net 9 and 8 application and keycloak.
The Apphost project works fine:
var builder = DistributedApplication.CreateBuilder(args);
var ...
- 1,019
3
votes
2
answers
71
views
How to use Oracle built in functions in Entity Framework Core?
With EF 6 (and .NET Framework), I was able to map Oracle built in functions by creating a static class like this:
public static class OracleFunctions
{
[Function(FunctionType.BuiltInFunction, &...
- 68
3
votes
1
answer
34
views
Azure SignalR Service Issue - Messages Not Delivered When API is Hosted in Azure, But Works Locally
I'm facing a weird issue with Azure SignalR Service and could use some help. Here's the setup:
Frontend: ASP.NET Core MAUI Blazor app
Backend: ASP.NET Core Web API
Using Azure SignalR Service
The ...
0
votes
0
answers
20
views
STS Token generation code (working in version 3.7.30X.XX) breaking after updating the package version to 3.7.40X.XXX
we are trying to use latest version of AWSSDK.Core library and getting the NullReferanceException error when we tried to upgrade package version from 3.7.300.xxx to 3.7.400.xxx.
Below is the Code ...
