Blazor server-side app with CRUD operations against a Web API / EF / SQL Server endpoint

In this tutorial I show how to build a comprehensive Blazor solution using .NET Core 3.0 comprising (1) a standard class library (2) a Web API server-side web app and (3) a server-side Blazor application that uses SignalR to update the DOM by consuming an API service.

[nickchng]

I'm not sure if I'm doing this wrong, or if it's something you quickly gloss over because it's obvious to experienced web developers, but I had to set both the SchoolAPI and ServerBlazor as startup projects in the solution properties to get the data to load. Hope this helps other newbies!

[Shinobize]

Good video, there is a solution for directly inject automatically the URI base address on your service student for the httpclient requests?

[Cloudlin]

For my CRUD insert onclick, I changed it to this in order to get it to work <button @onclick="Insert" class="btn btn-warning">Insert</button>

[albxdotcom]

Correct me if I'm wrong, but with BlazorServer app, it runs on the server, so you would not need an API project. You can simply make a Service class that has the DbContext injected into constructor, like you did in the API Controller. With a BlazorClient app you would call a WebAPI project because it runs on the client machine.

[hassanesilverlight]

Hi Medhat, I folow your tuturial step by step, but I got stuck at the migration process . error : Value cannot be null. (Parameter 'connectionString').

[gerbenweijers]

I am having trouble with this piece of code <tr @onclick="@() => Show(item.StudentId))"> in the ServerBlazor Students.razor page

[LorenzMichels]

This is an excellent tutorial. Unfortunately, the edit and add functions don't work when using blazor preview 6. I have the same problem with other tutorials not specific for preview 6. I still haven't found the solution. Thanks for your efforts.

[kingparth]

Not able to fetch data by using the bind keyword.
any idea, please?



bind keyword is not working. any other keyword for getting data from a textbox?

I also clone your project for help but the same issue on that as well.




Thanks

[ronreyes]

Can't we use EF in server side blazor without creating an API?