A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
1,694 questions with Developer technologies | .NET | Blazor tags
Unhandled exception rendering component: NullabilityInfoContext_NotSupported
crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100] Unhandled exception rendering component: NullabilityInfoContext_NotSupported System.InvalidOperationException: NullabilityInfoContext_NotSupported at…
Developer technologies | .NET | Blazor
Error When Upgrading a Blazor App to .Net 10
Hello, When upgrading my app(s) to .net 10 from .net 8, I encountered an error that looks like this: This exception is seemingly thrown from blazor.webassembly.js. In the browser DevTools tab console, we can see the following errors: The apps are both…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
.NET 10 Blazor WebAssembly – Calling C# from JavaScript no longer works (JSInvokable / JSExport / createDotNetRuntime)
I’m building an Ionic / Angular Android application that needs to execute C# code from DLLs via WebAssembly. Working setup (.NET 9) With .NET 9, everything works fine using this approach: Blazor WebAssembly project C# methods decorated with…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
How to Implement Google Maps in a .NET MAUI Blazor App.
I'm currently developing a .NET MAUI app using Blazor and targeting .NET 7. One of the key features I'm looking to implement is integration with Google Maps to display locations of customers. However, I'm facing challenges with integrating Google Maps…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Developer technologies | .NET | .NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
Error when trying to access QuickGrid Component in Blazor WASM Application
Hello Microsoft Support, When running my Blazor WASM project, that serves as a front end to my ASP.NET backend, I have been getting repeated errors when trying to access the QuickGrid component through my browser. When running through Firefox, I have…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Blazor WebAssembly no soporta AES (System.Security.Cryptography) → obliga a usar librerías externas
Actualmente, en Blazor WebAssembly, el uso de System.Security.Cryptography.Aes falla con el error: Algorithm 'Aes' is not supported on this platform. Esto ocurre incluso con configuraciones básicas como: using (Aes aesAlg = Aes.Create()) { aesAlg.Key…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
How to Rename a Solution and Projects in Visual Studio 2022 Without Affecting Functionality?
I have a working application that includes Blazor Server, Blazor WASM, and an API. I want to change the names of the solution and the projects while ensuring that the current application remains unaffected. What is the easiest and problem-free way to…
Developer technologies | ASP.NET | ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
The text is getting cleared in MudBlazor Autocomplete component
I am working on the Blazor web assembly project which is running on .net7 and using MudBlazor (version-6.0.10) as the UI framework. so I have created a custom autocomplete component in MudBlazor. then my issue is the text that I type on this…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
What is the best way to use a SignalR service for my Blazor RenderMode.InteractiveServer app?
Hi all; I've read in numerous places that having my Blazor server use a SignalR service will let it handle a lot more simultaneous requests. So I want to add this. I've seen three very different ways describing how to do this: Write a ton of code …
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Azure SignalR Service
An Azure service that is used for adding real-time communications to web applications.
Converting Existing ASP.NET Core Web Application to a Local Desktop Application?
Hello everyone, I currently have a working ASP.NET Core (.NET 8) web application. My goal is to preserve the application's existing HTML/CSS/JavaScript interface and C# business logic (DI, Services, EF Core, etc.) while transforming it into an…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Inconsistent persistence behavior in Blazor
I have an SSR MainLayout.razor and a couple other InteractiveServer (SI) components. I need to display messages across tabs and to identify each tab i'm cascading a tabId value from the layout. Since this crosses render mode boundaries, on subsequent…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
MapStaticAssets is breaking a background video from playing
I have a rather large Blazor WASM application running on Dot Net 9. The login page has a background video. Everything works well. We are making some significant changes and want to include an upgrade to Dot Net 10. The upgrade results in a…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Blazor Web App partly run code as WASM
I'm trying to create a register account page in Blazor Web App. I need the form submission callback to run on the client as it needs to set the authentication cookie, but I can't manage to achieve this. This is my current component code: @using…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Why is the blazor css isolation not working?
I have an AppLogin.razor component and its css file is AppLogin.razor.css. They are working fine. I have a UserLogin.razor component and its css file is UserLogin.razor.css. The working mechanism is as follows When you login from the AppLogin.razor…
Developer technologies | ASP.NET | ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Developer technologies | .NET | Other
Microsoft Technologies based on the .NET software framework. Miscellaneous topics that do not fit into specific categories.
Developer technologies | ASP.NET | Other
A set of technologies in .NET for building web applications and web services. Miscellaneous topics that do not fit into specific categories.
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
Best approach for Mobile app development
Hello guys, I was wondering what is the best project template for mobile app development. I was reading little bit about the .NET MAUI but I am not quite sure if it's better than regular Android App or Mobile App (Xamarin). What is your experience with…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Developer technologies | .NET | .NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
Why does cached data disappear when using forceLoad in a Blazor app?
In a Blazor application, cached results are stored using IMemoryCache through a CacheMemory wrapper. When navigating to another page with NavigateTo(forceLoad: true), the destination page does not have access to the cached data. However, when navigating…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Blazor Interop for Mozilla pdf.js
Anyone managed to create a JS interop for https://github.com/mozilla/pdf.js I am looking for robust viewer solution to show PDF files. Thank you, D
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
How to ignore ETag checking and fix this error
I read from and write to blob content in Azure blob storage. File is being changed (new content is getting appended to the file) at the same time while it is being downloaded. I get error in the below stream.Read() line. Which I believe is because of…
Azure Blob Storage
An Azure service that stores unstructured data in the cloud as blobs.
Developer technologies | ASP.NET | ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
Anti Forgery with Blazor Server App
we upgraded our blazor server app from .Net 6 to .Net 8 following the instructions from https://learn.microsoft.com/en-us/aspnet/core/migration/70-80?view=aspnetcore-8.0&tabs=visual-studio Below is the snippet from the Program.cs where…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.
Structuring a .NET Core 9 Blazor + API Architecture for Microservices Readiness and Best Practices
Hello, I am working on a wiki-style encyclopedic resource application designed to centralize and organize documentation related to the universe of my fantasy novel. This project is personal and primarily has a pedagogical purpose (training myself on…
Developer technologies | .NET | Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML, developed by Microsoft.