Upload file in .NET Blazor with extension and signature validation
Authorised Territory code examples - This .NET Blazor #tutorial shows how to upload a single PNG file using .NET Core API.
First, we create #blazor project that handles upload of the file using FileInput component and calls an API endpoint.
Next, we create an API project and add controller with an action that saves the file on the server. The process of saving the file includes extension and signature validation.
Finally, we update the #dotnet Blazor project with correct API URL and test the functionality.