All Questions
Tagged with jetbrains-rider or rider
1,326 questions
Score of -5
0 answers
54 views
Trying to log in to JetBrains Rider gives "Cannot assign requested address: getsockopt" error [closed]
I installed Rider for the first time, and after opening it I'm prompted to set up my license. Choosing any option (non-commercial, paid, or free trial) all give an error popup that says "Cannot ...
- reputation score 9
Score of 2
1 answer
343 views
How do I prevent PyCharm and Rider from opening the GitHub Copilot Chat tab every time I run it?
How do I prevent PyCharm and Rider from opening the GitHub Copilot Chat tab every time I run it? That behaviour seemed to appear in the 2026 versions of those JetBrains products. I scoured through the ...
- reputation score 1250
Score of -1
1 answer
180 views
Why does the postfix operator ! say it's not needed when compiling in Release Mode in Rider
Here is a very simple MRE. I'm using System.Diagnostics:
using System;
using System.Diagnostics;
class Program
{
static void Main()
{
string? myVariableString = Console.ReadLine();
...
- reputation score 1250
Score of 2
1 answer
169 views
Why is casting to object first needed to satisfy the compiler but the compiler also says casting to object was unnecessary
Here is a MRE that tries to reduce my initial problem to something as small as possible:
using System.Diagnostics;
List<string?> xs = new() { "a", "b" };
// normally xs ...
- reputation score 1250
Advice
1
vote
3
replies
100
views
What is the correct way to build and run a command-line ASP.NET WebApplication?
I'm using Rider to develop a C# application that uses ASP.Net to create a simple web application. From inside the IDE, I can run and I get what I expect: A command-line application that runs in the ...
- reputation score 2142
Score of 1
0 answers
113 views
How to fix SQLCMD variable DatabaseName not being excluded from schema compare in VS Code or Rider
When I run a schema compare in Rider in the new SDK-style .sqlproj format where the [$(DatabaseName)] value is in the *.sql code and the resolved database name is in the database side, it still ...
- reputation score 4215
Score of 0
1 answer
130 views
How to customize the border color of bracket scope for C++ in Rider
In Rider, I’m trying to customize the border color of bracket scopes (e.g. code blocks defined by {}).
┌─────────┐
if (a > b) │{ │
┌────────────┘ │
│ while (x) { ...
- reputation score 40
Score of -1
1 answer
80 views
Tailwind CSS IntelliSense not working in Blazor Server (.NET 10) project in Rider
I’m working on a Blazor Server project targeting .NET 10 and trying to use Tailwind CSS.
I included the Tailwind CDN script in the <head> section of App.razor, and at runtime everything works ...
- reputation score 31
Advice
2
votes
3
replies
74
views
How can I enable dark mode for the Windows Forms Designer in JetBrains Rider?
I am developing a Windows Forms application in JetBrains Rider and using the WinForms Designer to design my forms.
My IDE theme is set to a dark theme (high contrast / dark mode), but the Windows ...
- reputation score 1
Score of 2
2 answers
170 views
Why would the comment shortcut (Ctrl + /) not work when editing cshtml files in JetBrains Rider 2025.3.3?
On a Windows computer that has never had any JetBrains products installed, I installed Rider 2025.3.3.
The comment shortcut (Ctrl + /) works correctly in various file types (of relevance .cs, .js, ....
- reputation score 41
Score of 0
1 answer
68 views
How to disable moving files around by drag & drop in JetBrains Rider
Using Rider, I face a message box about confirmation for moving files around.
It seems that, by moving the mouse over the explorer, the drag-and-drop action gets triggered. The message box is really ...
- reputation score 2253
Score of 0
2 answers
238 views
Use ReSharper Build option in Rider raises error .NET8.0/.NET10.0 for Azure Functions
When I don't use ReSharper Build option (Rider → Settings → Build, Execution, Deployment → Toolset and Build), everything works correctly. When I do use it, I get this error:
\...\obj\Debug\net10.0\...
- reputation score 1250
Score of 0
1 answer
70 views
Invalid Provisioning Profile - Maui .NET 10 on Mac with Rider
I'm getting an invalid provisioning profile error message when I try to upload a .NET 10 app to Apple on my Mac, compiled with Rider, and uploaded via Transporter.
The error message I get is below. ...
- reputation score 1641
Score of 3
1 answer
100 views
async tests never finish after upgrade to MSTest 4.0.2
After upgrading MSTest from version 1.4.0 to version 4.0.2, asynchronous tests are hanging (never finish). I am using Rider. Here is a minimal example of a test that used to run to completion before ...
- reputation score 491
Score of 0
0 answers
119 views
JetBrains Rider does not recognize MudBlazor components imported via global:: in _Imports.razor (works in Visual Studio)
I am using JetBrains Rider 2025.3.2 on macOS with a MudBlazor project targetting .NET 8, C# 12. The project builds and runs correctly, and the same codebase works without any issues in Visual Studio, ...
- reputation score 68
