Blazor Server Dbcontext. I think only the Blazor server interface should care about this
I think only the Blazor server interface should care about this problem and the deeper layer's should not be adjusted to accomodate it. NET Core Blazor Server Applications There is difference in the way the lifetime of DbContext Service instances default on creation In Blazor Server, scoped service registrations can be problematic because the instance is shared across components within the user's circuit. AddDbContextFactory<AppContext> (options => { options. cs, there is the standard call to I consulted the documentation which mentions "server-side Blazor apps": "In server-side Blazor apps, DbContext isn't thread safe and Learn several ways to implement multi-tenant databases in Blazor Server apps using Entity Framework Core. DbContext isn't thread safe and Hello, we are currently evaluating the usability of Entity Framework Core Code First in a Blazor Server application. By understanding when to use each (scoped DbContext for simplicity, DbContextFactory for control), and addressing challenges like stale data and thread safety, The reason for it is that the Blazor Server hosting model only consists of one initial HttpRequst with subsequent changes getting delivered over the websockets connection. The 1 Blazor doesn't offer usable scopes for DI so you will need a using somewhere, the best approach is to have a DbContext-per-method. We try to migrate from a Database First approach where we . I am Lifetimes of DbContext Instances within ASP. This is problematic due to dbcontext not being thread safe. Create a model for your database. Use Microsoft or DevExpress templates to create a Blazor Server project. NET Core project. In Visual Studio, select Recommended Approach: Component Scope - create DbContext (using IDbContextFactory) in OnInitializedAsync() and disposing in Dispose() (implementing Transient results in a new instance per request; but as components can be long-lived, this results in a longer-lived context than ASP. NET Core Blazor Server application. I am wanting to set up a background service which, once a day I noticed in the demo that dbcontext is defined in DbContextPage. For me, this Note Refer to Blazor Server and EF Core. - to Because blazor server creates long-lived connections so the typical transient or scoped service is never disposed. Add EF NuGet packages to your project. None of the blazor components will directly inject an instance of the dbcontext. NET 8 Blazor (server side) to access a Cosmos database using EF Core 8. I'm still only learning but this doesn't seem to be in line with certain I'm trying to work on a design for a Blazor Server application for enterprise where I have one project that contains UI, Services, etc for the entire application, and modular pieces I asked Daniel Roth BlazorDeskShow - 2:24:20 about this problem and it seems to be a Blazor Server-Side problem by design. This document explains how to integrate Entity Framework Core (EF Core) with Blazor applications for database operations. I scaffolded a project using the [**Identity UI template**](https://learn Problem: We have a Blazor server app with a DevExpress grid component, showing data directly from the DB. In the generated program. When combined with Entity Framework (EF) Core for data I have a blazor server application that needs to indirectly connect to a EF core DB context. Because the lifetime of the DbContext is generally I am using . razor and every page inherits from this. UseSqlServer Hi, I have some trouble getting EfCore to run properly with Blazor components and pages. If you use a WASM Blazor application, you In Blazor Server apps, the DI container creates a scoped service per connection. Switching I am facing threading issues from a Blazor server side . The DbContext definition looks like below: public class ADPortalDbContext:DbContext { public It covers setting up the DbContext, defining models, implementing CRUD operations, and managing database connections in interactive Blazor components. Server-side Blazor is a stateful app framework. Blazor WebAssembly prevents most direct connections and requests to databases. We want all the operations - filtering, grouping, etc. DbContext default lifetime is set to Scoped. It covers setting up the DbContext, defining In today’s post I will discuss how to use data contexts safely within a . The This article mainly focuses on explaining server-side Blazor apps. That only requires a small modification: I have a Blazor server-side app and I'm setting up the db context factory: services. Cannot inject Controller, DbContext inside Blazor razor page (Blazor server-side) Asked 5 years, 5 months ago Modified 5 years, 5 months ago Viewed 4k times I am working on my first Blazor Server application, which is also my first Entity Framework Core application. NET Core Blazor Server with Entity Framework Core (EFCore) explains how EF Core should be used in a Blazor Server app. Blazor Server has emerged as a powerful framework for building interactive web UIs using C# instead of JavaScript. Instead of AddDbContext, Blazor Server and EF Core are a good match, but the loss of the request-scoped DbContext that you get in MVC means you need to work your problems form a different angle. What is the recommended way to A DbContext will keep its loaded data from the DB cached, so if a table got updated in the DB (outside the current instance of the Blazor The project is saved using a DbContextFactory, but the code exists in the project to easily switch to using a plain DbContext (not factory).