How to use TagHelpers in Blazor?

Can ElementRef property be set to a javascript interop return value in Blazor?

I am tinkering with CodeMirror on a textarea element. I am using javascript interop to accomplish this and it works fine when applying the code mirror. However my intention is to return that codemirror element and store that in another elementref....Blazor.registerFunction('BlazorExt.CodeMirrorSetupExt', (element) => { return CodeMirror.fromTex...

How to install ASP.NET Core Blazor Language Services when not using VS 2017?

The language service is for intellisense in Visual Studio. So if you are not using Visual Studio there is no need to install it. There is no blazor intellisense support for VSCode right now or something....See ...here... for the 7.3 error.

Blazor default template fails with HTTP Error 502.5 with .NET Core 2.1 SDK RTM

This issue is reported on the ...Blazor GitHub issue 1424... but do not do as suggested and delete your global.json file....The solution is to modify your global.json file to have your installed SDK version....I've got dotnet 2.1.3 installed and 2.1.300 uin my Balzor project's global.json file, and am getting the same error...It turns out I've got ...

Using Blazor (i.e. WebAssembly) + javascript

Yes, you could do that, as of version 0.4 it is easy to interop between c# and javascript and vise versa....But you don't have to, the beauty of blazor is that you can just use the ...HttpClient... class from .net framework ...System.Net.Http... namespace for calls to your backend. And make razor ...cshtml... components for DOM manipulation....More...

Microsoft.AspNetCore.Blazor.Cli 0.5.1 is not compatible with netcoreapp2.0

As of version 0.5.0 the CLI package targets .NET Core 2.1 rather than .NET Core 2.0. You will have to update the ...<TargetFramework>... element in your csproj file to ...netcoreapp2.1... if you want to use this pacakge....I wonder though, why would you take a dependency on this package? It is a global tool. You should probably include packages lik...

Blazor: A second operation started on this context before a previous operation completed

I'm creating a server side Blazor app. The following code is in the ...Startup.cs.......services.AddDbContext<MyContext>(o => o.UseSqlServer(Configuration.GetConnectionString("MyContext")), ServiceLifetime.Transient); services.AddTransient<MyViewModel, MyViewModel>(); ...And in the ViewModel:...public class MyViewModel : INotifyPropertyChanged { ...

How to execute stored procedure using blazor

In EF Core 3.0 , you need to use the ...FromSqlRaw... extension method to execute a stored procedure....Here is a simple working demo on getting the user data from the database by stored procedures ....User model... public partial class Users { [Key] public int PkId { get; set; } public string UserId { get; set; } public string Firs...

Responsive UI design causing problems for Entity Framework in Blazor application

I am familiar with writing highly responsive ASP.NET MVC applications where we load the initial page data, and then fire off multiple AJAX calls to load "secondary" data for the page. So behinds the scenes, these AJAX requests all hit the web server(s) about the same time and pull data from our SQL DB....I envisage doing something very similar wit...

Blazor concurrency problem using Entity Framework Core

General solution...I asked Daniel Roth ...BlazorDeskShow - 2:24:20... about this problem and it seems to be a Blazor ...Server-Side... problem by design. DbContext default lifetime is set to ...Scoped... as the lifetime of each component. So if you have at least two components in the same page which are trying to execute an ...async... query then ...

How to access Entity Framework DbContext entities in Server-Side Blazor Components

What you call a controller should be turned into a service class, that retrieves data from the database, and pass it to the calling methods. You should add this service to the DI container in the Startup class. To use this service in your components you should inject it like this:...@inject DataService myDataService ...I think that the Blazor templ...