Run and test the UploadFiles Minimal API application

Its the time of run the application,

The application so far looks as following, and its time to run the API and the Client side in the same time:

Right click on the solution, then click on Properties

Choose the option of Multiple startup projects and choose the following:

Then run it, the 2 projects will be popup, and the upload control is now on the home page,

lets try to upload a file, click on the "Choose" then find a file from your computer, and hit the upload button:

Ops, there is an error:

Lets open the developer tool in the browser and see what is the error,

it looks something like CORS issue, and this because we are running a Blazor WebAssembly not a server project.

So the simple solution to solve this issue is by adding the CORS feature to project as follow:

Then at bottom of Program.cs add the:

Lets run it again, to upload the file:

and here is the uploaded file:

In a very simple words .NET 7 is a powerful tool that make this work easy.